US3453418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic billing circuit
Assignee: Unisys Corp
•
Filing: 1966-12-07
•
Granted: 1969-07-01
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Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Arpad Somlyody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:52
CPC Classifications
G; G07; G07G; G07G1/00; G07G1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN ELECTRONIC BILLING CIRCUIT INCLUDING A PLURALITY OF CURRENT FLOW DEVICES HAVING MEANS BY WHICH THEY CAN BE TURNED ON SEPARATELY, A PLURALITY OF BILLING REGISTER CIRCUITS ADAPTED TO REGISTER BILLING COUNTS THEREIN, A DIODE MATRIX COUPLED TO SAID BILLING REGISTER CIRCUITS, AN INSULATING BILLING CARD HAVING CONDUCTIVE PORTIONS WHICH INTERCONNECT SAID CURRENT FLOW DEVICES AND SAID DIODE MATRIX WHEREBY CURRENT FLOW FROM EACH DEVICE CAN BE FED TO A DIFFERENT BILLING REGISTER CIRCUIT, A DECADE COUNTER FOR COUNTING INPUT PULSES APPLIED TO SAID CIRCUIT, CONTACT MEANS ON SAID BILLING CARD FOR COUPLING SELECTED COUNTING POSITIONS IN SAID COUNTER TO SAID CURRENT FLOW DEVICES FOR SWITCHING OPERATION FROM ONE TO ANOTHER, AND AUXILIARY CIRCUIT CONTROL MEANS COUPLED TO ALL OF SAID REGISTER CIRCUITS AND ADAPTED TO OPERATE IN CONJUNCTION WITH SAID CURRENT FLOW DEVICES AND SAID DIODE MATRIX TO PERMIT ONLY ONE BILLING REGISTER CIRCUIT AT A TIME TO REGISTER A COUNT.
Claim 2
Dependent Claim
152 words
AN ELECTRONIC BILLING CIRCUIT INCLUDING A PLURALITY OF CURRENT FLOW DEVICES HAVING MEANS BY WHICH THEY CAN BE TURNED ON SEPARATELY, A PLURALITY OF BILLING REGISTER CIRCUITS ADAPTED TO REGISTER BILLING COUNTS THEREIN, A DIODE MATRIX COUPLED TO SAID BILLING REGISTER CIRCUITS, AN INSULATING BILLING CARD HAVING CONDUCTIVE PORTIONS WHICH INTERCONNECT SAID CURRENT FLOW DEVICES AND SAID DIODE MATRIX WHEREBY CURRENT FLOW FROM EACH DEVICE CAN BE FED TO A DIFFERENT BILLING REGISTER CIRCUIT, A DECADE COUNTER FOR COUNTING INPUT PULSES APPLIED TO SAID CIRCUIT, CONTACT MEANS ON SAID BILLING CARD FOR COUPLING SELECTED COUNTING POSITIONS IN SAID COUNTER TO SAID CURRENT FLOW DEVICES FOR SWITCHING OPERATION FROM ONE TO ANOTHER, AND AUXILIARY CIRCUIT CONTROL MEANS COUPLED TO ALL OF SAID REGISTER CIRCUITS AND ADAPTED TO OPERATE IN CONJUNCTION WITH SAID CURRENT FLOW DEVICES AND SAID DIODE MATRIX TO PERMIT ONLY ONE BILLING REGISTER CIRCUIT AT A TIME TO REGISTER A COUNT.
References Cited (Backward Citations)
US3008067A
Cited
US3342979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |