US3148251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card reader
Assignee: Howe Richardson Scale Co Inc
•
Filing: 1960-11-14
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Granted: 1964-09-08
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:57
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A CARD READER COMPRISING RELATIVELY MOVABLE FIRST AND SECOND PRINTED CIRCUIT PLATES THAT ARE NORMALLY DISPOSED A PREDETERMINED DISTANCE APART TO DEFINE A CARD RERECEING SPACE BETWEEN THEM, A PLURALITY OF SPRING BIASED PIN CONTACTS EXTENDING BETWEEN SAID PLATES AND MOUNTED ON ONE OF SAID PRINTED CIRCUIT PLATES ADAPTED TO COMPLETE ELECTRICAL CIRCUITS DETERMINED BY THE LOCATION OF PUNCHED HOLES IN A CARD IN SAID SPACE, MEANS FOR POSITIVELY MOVING ONE OF SAID PRINTED CIRCUIT PLATES TOWARD AND AWAY FROM THE OTHER OF SAID PRINTED CIRCUIT PLATES WITH A PUNCHED CARD IN SAID SPACE, A NORMALLY OPEN CIRCUIT CONTROL SWITCH IN SAID READER, AND MEANS ACTUATED BY SAID MEANS FOR MOVING SAID ONE PRINTED CIRCUIT PLATE FOR CLOSING SAID SWITCH ONLY AFTER SAID PRINTED CIRCUIT PLATES HAVE ASSUMED SUBSTANTIALLY THE RELATIVE POSITION WHEREIN THE PIN CONTACTS ON SAID ONE PLATE PROJECT THROUGH THE CARD TO ENGAGE THE OTHER PLATE.
Claim 2
Dependent Claim
149 words
A CARD READER COMPRISING RELATIVELY MOVABLE FIRST AND SECOND PRINTED CIRCUIT PLATES THAT ARE NORMALLY DISPOSED A PREDETERMINED DISTANCE APART TO DEFINE A CARD RERECEING SPACE BETWEEN THEM, A PLURALITY OF SPRING BIASED PIN CONTACTS EXTENDING BETWEEN SAID PLATES AND MOUNTED ON ONE OF SAID PRINTED CIRCUIT PLATES ADAPTED TO COMPLETE ELECTRICAL CIRCUITS DETERMINED BY THE LOCATION OF PUNCHED HOLES IN A CARD IN SAID SPACE, MEANS FOR POSITIVELY MOVING ONE OF SAID PRINTED CIRCUIT PLATES TOWARD AND AWAY FROM THE OTHER OF SAID PRINTED CIRCUIT PLATES WITH A PUNCHED CARD IN SAID SPACE, A NORMALLY OPEN CIRCUIT CONTROL SWITCH IN SAID READER, AND MEANS ACTUATED BY SAID MEANS FOR MOVING SAID ONE PRINTED CIRCUIT PLATE FOR CLOSING SAID SWITCH ONLY AFTER SAID PRINTED CIRCUIT PLATES HAVE ASSUMED SUBSTANTIALLY THE RELATIVE POSITION WHEREIN THE PIN CONTACTS ON SAID ONE PLATE PROJECT THROUGH THE CARD TO ENGAGE THE OTHER PLATE.
References Cited (Backward Citations)
US2870400A
Cited
US2903529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |