Patent US3276689A successfully refreshed from Google Patents.
US3276689A
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Fluid operated timer circuit
Assignee: General Time Corp
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Filing: 1964-08-14
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Granted: 1966-10-04
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 John D Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:49
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; Y; Y10; Y10S; Y10S200/00; Y10S200/05; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A FLUID-OPERATED COUNTER CIRCUIT FOR USE IN A FLUIDOPERATED TIMER, SAID COUNTER COMPRISING, IN COMBINATION, MEANS FOR TRANSMITTING PRESSURIZED FLUID, A SERIES OF BISTABLE FLUID-OPERATED AMPLIFIERS EACH OF WHICH HAS A BODY DEFINING A JET CHAMBER HAVING A POWER NOZZLE AT ONE END CONNECTED TO SAID MEANS FOR TRANSMITTING PRESSURIZED FLUID TO PRODUCE A POWER JET AND HAVING A FIRST AND SECOND OUTPUT TUBES AT THE OTHER END, FIRST AND SECOND PRIMARY CONTROL NOZZLES ON OPPOSITE SIDES OF SAID POWER NOZZLE, EACH OF THE AMPLIFIERS BETWEEN THE FIRST AND THE LAST AMPLIFIERS OF SAID SERIES ALSO HAVING A SECONDARY CONTROL NOZZLE ON THE SAME SIDE AS THE SECOND PRIMARY CONTROL NOZZLE, A FLUID-OPERATED OSCILLATOR CONNECTED DIRECTLY TO
Claim 2
Dependent Claim
117 words
A FLUID-OPERATED COUNTER CIRCUIT FOR USE IN A FLUIDOPERATED TIMER, SAID COUNTER COMPRISING, IN COMBINATION, MEANS FOR TRANSMITTING PRESSURIZED FLUID, A SERIES OF BISTABLE FLUID-OPERATED AMPLIFIERS EACH OF WHICH HAS A BODY DEFINING A JET CHAMBER HAVING A POWER NOZZLE AT ONE END CONNECTED TO SAID MEANS FOR TRANSMITTING PRESSURIZED FLUID TO PRODUCE A POWER JET AND HAVING A FIRST AND SECOND OUTPUT TUBES AT THE OTHER END, FIRST AND SECOND PRIMARY CONTROL NOZZLES ON OPPOSITE SIDES OF SAID POWER NOZZLE, EACH OF THE AMPLIFIERS BETWEEN THE FIRST AND THE LAST AMPLIFIERS OF SAID SERIES ALSO HAVING A SECONDARY CONTROL NOZZLE ON THE SAME SIDE AS THE SECOND PRIMARY CONTROL NOZZLE, A FLUID-OPERATED OSCILLATOR CONNECTED DIRECTLY TO
References Cited (Backward Citations)
US3093306A
Cited
US3128039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |