Retrofittable card reader and carrier select keyboard unit for paystation telephones
Latest Reliance Comm/Tec Corporation Patents:
FIGS. 1 and 2 are left side, top and front perspective views of a retrofittable card reader and carrier select keyboard unit for paystation telephones showing our new design in two sizes of identical configuration;
FIGS. 3 and 4 are top and bottom plan views thereof presented in an enlarged size;
FIG. 5 is a front elevational view of the unit shown in FIGS. 3 and 4;
FIGS. 6 and 7 are respectively left and right side elevational views of the unit shown in FIGS. 3 and 4.
The broken line showing of two different, conventional styles of paystation telephone in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design.
|D283890||May 20, 1986||Britz et al.|
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|4277689||July 7, 1981||Thomas et al.|
|4472050||September 18, 1984||Stockburger et al.|
|4529870||July 16, 1985||Chaum|
|4562340||December 31, 1985||Tateisi|
|4562342||December 31, 1985||Solo|
|4589069||May 13, 1986||Endo et al.|
- Ericsson Review No. 15ND, May 1984, vol. 61; p. 14; FIG. 4 or p. 15; FIG. 6 on p. 6. Telephony 1-16-84, p. 107; Anritsu "Magnetic-Card Telephone".
Filed: May 27, 1986
Date of Patent: Aug 25, 1987
Assignee: Reliance Comm/Tec Corporation (Chicago, IL)
Inventors: Joseph C. Perry (Bedford, TX), Donald E. Spears, II (Fort Worth, TX), Rodney A. Battles (Hurst, TX)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Horace B. Fay
Attorney: Michael M. Rickin
Application Number: 6/867,375