US3288934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time totalizer system for telephone circuits and the like
Assignee: Tri Tech Inc
•
Filing: 1963-06-10
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Granted: 1966-11-29
•
Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Haydon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:21
CPC Classifications
H; H04; H04M; H04M15/00; H04M15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A SYSTEM FOR MONITORING AND PERIODICALLY RECORDING THE TIME USAGE OF A PLURALITY OF TELEPHONE CIRCUITS OR THE LIKE, WHICH COMPRISES (A) A TRANSFER COUNTER TYPE INDICATOR FOR EACH CIRCUIT OR THE LIKE, (B) A SUBSTANTIALLY INSTANT SHART-STOP, CONTROLLED-SPEED MOTOR FOR EACH INDICATOR, FOR DRIVING THE INDICATOR, (C) OVERCENTERING, LOST MOTION DRIVE MEANS COUPLING EACH MOTOR WITH ITS INDICATOR, WHEREBY EACH INDICATOR HAS SUBSTANTIALLY INSTANTANEOUS, UNRESTRICTED TRANSFER MOTION, AND (D) CONTROL MEANS OPERABLE TO DEACTIVATE THE MOTORS OF A PREDETERMINED GROUP, AFTER A PREDETERMINED INTERVAL OF EFFECT A RECORDATION OF THE CONDITION OF THE INDIVIDUAL COUNTERS OF THE GROUP, AND IMMEDIATELY THEREAFTER TO REACTIVATE THE MOTORS OF SAID GROUP.
Claim 2
Independent Claim
109 words
A SYSTEM FOR MONITORING AND PERIODICALLY RECORDING THE TIME USAGE OF A PLURALITY OF TELEPHONE CIRCUITS OR THE LIKE, WHICH COMPRISES (A) A TRANSFER COUNTER TYPE INDICATOR FOR EACH CIRCUIT OR THE LIKE, (B) A SUBSTANTIALLY INSTANT SHART-STOP, CONTROLLED-SPEED MOTOR FOR EACH INDICATOR, FOR DRIVING THE INDICATOR, (C) OVERCENTERING, LOST MOTION DRIVE MEANS COUPLING EACH MOTOR WITH ITS INDICATOR, WHEREBY EACH INDICATOR HAS SUBSTANTIALLY INSTANTANEOUS, UNRESTRICTED TRANSFER MOTION, AND (D) CONTROL MEANS OPERABLE TO DEACTIVATE THE MOTORS OF A PREDETERMINED GROUP, AFTER A PREDETERMINED INTERVAL OF EFFECT A RECORDATION OF THE CONDITION OF THE INDIVIDUAL COUNTERS OF THE GROUP, AND IMMEDIATELY THEREAFTER TO REACTIVATE THE MOTORS OF SAID GROUP.
References Cited (Backward Citations)
US2392890A
Cited
US3119558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |