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Патент USA US3022392

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Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed Oct. 3l, 1960
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By
J. C. EW/N
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AHORA/EV
Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE CONCENTRATOR
Filed Oct. 31, 1960
29 Sheets-.'Sheeí'I 2
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J. C. EW/N
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A T TOR/VEV
Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed Oct. 5l, 1960
29 Sheets-Sheet 3
ATTORNEV
Feb. 20, 1962
J, c. EwlN
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed Oct. 5l, 1960
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29 Sheets-Sheet 4
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Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed oct. 51, 1960
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29 sheets-sheet 5
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Feb. 20, 1962
J. c. EwlN
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Filed oct. 51, 1960
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Feb. 20, 1962
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3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed oct. 51, 1960
29 sheets-sheet 7
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Feb. _20, 1962
J. C, EwlN
3,022,382
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Feb. 20, 1962
3,022,382
J. C. EWIN
REMOTE TELEPHONE LINE CONCENTRATOR
Filed Oct. 3l, 1960
29 Sheets-Sheet 9
Feb. 2o, 1962
J. c. EWIN
3,022,382
REMOTE TELEPHONE LINE CONCENTRATOR
Filzed Oct. 31, 1960
29 Sheets-Sheet 10
A T TORNEV
Feb. 2o, 1962
3,022,382
J. C. EWIN
REMOTE TELEPHONE LINE CONCENTRATOR
Filed Oc’c‘ 5l, 1960
29 Sheets-Sheet 11
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ATTORNÉV
Feb. 20, 1962
3,022,382
J. c. EwlN
REMOTE TELEPHONE LINE coNcENTRA'roR
Filed Oct. 3l, 1960
29 Sheets-Sheet 12
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Feb. 20, 1962
3,022,382
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REMOTE TELEPHONE LINE coNcENTRATòR
Filed Oct. 3l, 1960
29 Sheets-Sheet 13
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Feb. 20, 1962
J. c. EwlN
REMOTE TELEPHONE LINE coNcENTRAToR
3,022,382
Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE CONCENTRATOR
Filed oct. 31, 1960
29 sheets-sheet 15
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Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE CONCENTRATOR
Filed oct. s1, 19Go
29 Sheets-Sheet 16
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ATTORNEY
Feb. 20, 1962
J. c. EwlNv
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed Oct. 3l, 1960
29 Sheets-Sheet 1'7
Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed 001'.. 3l, 1960
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ATTORNEY
Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE CONCENTRATOR
Filed Oct. 31, 1960
29 Sheets-Sheet 19
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J. C. EWI/V
Feb. 20, 1962
J. c. EwlN
3,022,382
REMOTE TELEPHONE LINE coNcENTRAToR
Filed oct. 31, 19Go
29 sheets-sheet 2o
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