Patent US3378831A successfully refreshed from Google Patents.
US3378831A
Expired / Lapsed
US
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Machine usage accounting system
Assignee: Individual
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Filing: 1965-08-11
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Granted: 1968-04-16
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Expires: 1985-08-11
Abstract
No abstract record available.
Inventors
- 👤 Metcalf William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/18; G08B21/187; G03; G03G; G03G21/00; G03G21/02; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/342; G07; G07F; G07F7/00; G07F7/02; G07F7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN ACCOUNTING CONTROL SYSTEM ADAPTED TO RECORD THE INDIVIDUAL USAGE BY A NUMBER OF USERS OF UTILIZATION MEANS OF A TYPE GENERATING A PULSE FOR EACH CYCLE OF OPERATION THEREOF AND TO INHIBIT UNAUTHORIZED USAGE OF THE UTILIZATION MEANS, SAID CONTROL SYSTEM COMPRISING ALARM MEANS NORMALLY COUPLED TO BE ADAPTED TO SENSE SAID PULSE AND EMIT AN ALARM SIGNAL OF PREDETERMINED DURATION INDICATIVE OF UNAUTHORIZED USAGE OF THE UTILIZATION MEANS, A BANK OF SWITCHES LOCKABLE BY KEYS UNIQUE TO EACH, EACH SWITCH BEING MOVABLE BETWEEN LOCKED AND UNLOCKED STATES BY ITS ASSOCIATED KEY, COUNTING REGISTERS OPERATIVELY ASSOCIATED WITH RESPECTIVE ONE OF EACH OF SAID SWITCHES SAID SWITCHES BEING OPERATIVELY COUPLED TO SAID ALARM MEANS AND SAID REGISTERS, SO AS TO SERVE, WHEN UNLOCKED, TO DISABLE THE ALARM CIRCUIT MEANS AND FEED SAID PULSE TO THE REGISTER ASSOCIATED WITH THE UNLOCKED SWITCH FOR RECORDING EACH OCCURRENCE OF A CYCLE OF OPERATION OF THE UTILIZATION MEANS.
Claim 2
Dependent Claim
154 words
AN ACCOUNTING CONTROL SYSTEM ADAPTED TO RECORD THE INDIVIDUAL USAGE BY A NUMBER OF USERS OF UTILIZATION MEANS OF A TYPE GENERATING A PULSE FOR EACH CYCLE OF OPERATION THEREOF AND TO INHIBIT UNAUTHORIZED USAGE OF THE UTILIZATION MEANS, SAID CONTROL SYSTEM COMPRISING ALARM MEANS NORMALLY COUPLED TO BE ADAPTED TO SENSE SAID PULSE AND EMIT AN ALARM SIGNAL OF PREDETERMINED DURATION INDICATIVE OF UNAUTHORIZED USAGE OF THE UTILIZATION MEANS, A BANK OF SWITCHES LOCKABLE BY KEYS UNIQUE TO EACH, EACH SWITCH BEING MOVABLE BETWEEN LOCKED AND UNLOCKED STATES BY ITS ASSOCIATED KEY, COUNTING REGISTERS OPERATIVELY ASSOCIATED WITH RESPECTIVE ONE OF EACH OF SAID SWITCHES SAID SWITCHES BEING OPERATIVELY COUPLED TO SAID ALARM MEANS AND SAID REGISTERS, SO AS TO SERVE, WHEN UNLOCKED, TO DISABLE THE ALARM CIRCUIT MEANS AND FEED SAID PULSE TO THE REGISTER ASSOCIATED WITH THE UNLOCKED SWITCH FOR RECORDING EACH OCCURRENCE OF A CYCLE OF OPERATION OF THE UTILIZATION MEANS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-16 | 1971-10-16 | 1972-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-16 | 1975-10-16 | 1976-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-16 | 1979-10-16 | 1980-04-16 | $7700.00 | Window Closed / Lapsed |