US3188408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interval timer with controlled time delay means
Assignee: Hamilton Watch Co
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Filing: 1961-08-31
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Granted: 1965-06-08
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Expires: 1981-08-31
Abstract
No abstract record available.
Inventors
- 👤 James W Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:29
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/02; G04F3/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN INTERVAL TIMER FOR PERIODICALLY CAUSING A PLURALITY OF DEVICES TO OPERATE AT DISCRETE TIME INTERVALS COMPRISING: A CONTROL SHAFT SYSTEM; A TIMING SYSTEM INCLUDING TIMING MEANS COUPLED TO SAID CONTROL SHAFT SYSTEM WHEREBY OPERATION OF SAID CONTROL SHAFT SYSTEM DRIVES SAID TIMING MEANS; A SWITCH DRIVE SYSTEM HAVING INPUT AND OUTPUT MEANS; MEANS COUPLING SAID INPUT MEANS OF SAID SWITCH DRIVE SYSTEM TO SAID CONTROL SHAFT SYSTEM WHEREBY OPERATION OF SAID CONTROL SHAFT SYSTEM DRIVES SAID SWITCH DRIVE SYSTEM; ESCAPEMENT MEANS COUPLED TO SAID OUTPUT MEANS OF SAID SWITCH DRIVE SYSTEM FOR CONTROLLING THE MOVEMENT THEREOF; SAID ESCAPEMENT MEANS BEING DRIVEN BY SAID TIMING MEANS WHEREBY THE MOVEMENT OF SAID ESCAPEMENT MEANS CAUSES A PLURALITY OF DEVICES TO PERIODICALLY OPERATE AT DISCRETE TIME INTERVALS.
Claim 2
Dependent Claim
125 words
AN INTERVAL TIMER FOR PERIODICALLY CAUSING A PLURALITY OF DEVICES TO OPERATE AT DISCRETE TIME INTERVALS COMPRISING: A CONTROL SHAFT SYSTEM; A TIMING SYSTEM INCLUDING TIMING MEANS COUPLED TO SAID CONTROL SHAFT SYSTEM WHEREBY OPERATION OF SAID CONTROL SHAFT SYSTEM DRIVES SAID TIMING MEANS; A SWITCH DRIVE SYSTEM HAVING INPUT AND OUTPUT MEANS; MEANS COUPLING SAID INPUT MEANS OF SAID SWITCH DRIVE SYSTEM TO SAID CONTROL SHAFT SYSTEM WHEREBY OPERATION OF SAID CONTROL SHAFT SYSTEM DRIVES SAID SWITCH DRIVE SYSTEM; ESCAPEMENT MEANS COUPLED TO SAID OUTPUT MEANS OF SAID SWITCH DRIVE SYSTEM FOR CONTROLLING THE MOVEMENT THEREOF; SAID ESCAPEMENT MEANS BEING DRIVEN BY SAID TIMING MEANS WHEREBY THE MOVEMENT OF SAID ESCAPEMENT MEANS CAUSES A PLURALITY OF DEVICES TO PERIODICALLY OPERATE AT DISCRETE TIME INTERVALS.
References Cited (Backward Citations)
US1384528A
Cited
US1837929A
Cited
US2421986A
Cited
US3000468A
Cited
US2833347A
Cited
US2977433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |