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Патент USA US2126678

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Aug.- 9, 1938.
‘ [Filled Sept. 11, 1957
2 Sheets-Sheet l
Aiiorneus .
Aug. 9, 1938.
Filed Sept. 11, 1937
2 Sheets-Sheet 2
Inventor ,
?vaa? N 35565
4 ':m ‘H,
Patented Aug. v9, 1938
David N. Estes, Carlsbad, N. Mex.
Application September 11, 1937, Serial No. 163,467
3 Claims. (Cl. 40-130)
This invention appertains to new and useful
improvements in sign construction and more par
ticularly to signs of the neon or other rare gas
The principal object of the present invention
is to provide a sign construction of the neon tube
type wherein the neon tubes need not be sup
ported by spacers from the back board structure
in view of the construction of the back board of
10 insulating material, to the end that the neon
tubes can be placed directly in contact with the
back board, thus giving a better effect in adver
tising and greatly simplifying the assembling of
signs of this character.
Another important object of ‘ this invention is
to provide a sign wherein a panel of insulation
such as glass is employed for supporting the
neon tube and wherein additional neon tubes can
be positioned rearwardly of the transparent or
translucent panel for effecting a dual lighting
Still another important object of the inven
tion is to provide a sign construction which will
be effective both in daylight and at night, as an
25 advertising medium.
These and various other important objects and
advantages of the invention will become appa
rent to the reader of the following speci?cation.
In the drawings:—
Figure 1 represents a front elevational view
of a sign constructed in accordance with the
present invention.
Figure 2 is a vertical sectional view through
Thus it can be seen that the characters II
on the panel 9a will be outlined by the neon tube
l2 while light emanating from the internal tube
l3 will be visible through the characters H and 10
may be in color, in contrast to the light ema
nating from the tube l2.
These tubes may be secured in place by wire
tie members I4 disposed through openings 15
in the corresponding panel 9 or 9a. with the ends 15
twisted behind the panel as at l 6, or on the other
hand the fastening means may be in the form
of U-shaped spring clips I‘! the end portions of
which are diverged outwardly as at l8 so that
the leg portion may be contracted for insertion 20
into the openings l5a.
A modi?cation of the foregoing is shown in
Figure 6 wherein only one panel I9 is employed
at the front of the casing 20. In this form of
the invention the external tube I2a is secured to 25
the front side of. the panel 19 while the internal
tube l3a is secured directly to the inside of the
same panel l9, thus eliminating one of the panels
in the form of the invention shown in Figure 2.
It is to be understood that both the panels 9a 30
and 9 are preferably of glass or similar material
made opaque by coating or otherwise, and from
which translucency is obtainable preferably by
the sign.
sand blasting. ‘The object of course, in having
Figure 3 is a fragmentary enlarged detailed
sectional view on the line 3—3 of Figure 2.
Figure 4 is a fragmentary detailed sectional
view showing a modi?ed form of two fastening
glass or similar material is to afford insulation 35
to prevent short-circuiting or arcing of the elec
trical elements.
The characters II on the outer side of the
panel 9a are outlined by the external neon tube
l2, while on the front of the panel 9 the internal
neon tube I3 is formed in single line characters
as shown in Figure 5 so as to back up the char- 5
acters ll.
Figure 5 is an end elevational view with a por
tion broken away to disclose the two panels and
tubes thereon.
Figure 6 is a fragmentary vertical sectional
view through a modi?ed form of sign. “
Referring to the drawings wherein like nu
merals designate like parts, it can be seen in
Figure 1 and in Figure 2, that numeral 5 denotes
the sign casing which at its front portion is pro
vided with internal cleats 6, 1 and 8 for support
50 ing the panels 9 and 9a in close spaced relation,
this, of course, with the assistance of the rim Ill.
The panel 9 is preferably of, opaque material
while the panel 90. is also opaque excepting for
the characters II which are preferably sand
55 blasted in form.
While the foregoing speci?cation sets forth
the invention in speci?c terms, it is to be under—
stood that numerous changes in the shape, size 40
and materials may be resorted to without depart
ing from the spirit and scope of the invention
as claimed hereinafter.
Having described the invention, what is claimed
as new is:—
1. A sign, comprising a casing, a panel of in~
sulation mounted on the casing, said panel being
provided with a character formed translucent
portion, a rare gas containing tube disposed on
the outside of the panel and out-lining the said 50
character portion, and a second tube at the
rear of the‘ panel and behind the said translu
cent area.
2. A sign comprising, a panel of translucent
insulation, a neon tube disposed against one side 55
of the panel and being of a form de?ning a char
acter, and a second neon tube at the back side
of the panel and located immediately behind the
said character, and a second panel of opaque
5 insulating material against which the second neon
tube is secured.
3. A sign comprising a casing, a. panel of in
sulation mounted on the casing, said panel being
provided with a character formed translucent
portion, an electrical luminous discharge con
tainer disposed on the outside of the panel and
adjoining the said character formed translu
cent portion, and a source of illumination at the
rear of the panel and behind the said translu
cent portion thereof.
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