US3306538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid timer
Assignee: General Electric Co
•
Filing: 1963-11-20
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Granted: 1967-02-28
•
Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel T Mccracken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:44
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/08; F15C1/10; F15C1/12; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2158; Y10T137/2229; Y10T137/2234
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A FLUID TIMER COMPRISING: A SOURCE OF PRESSURIZED FLUID; A MULTISTAGE FLUID BINARY COUNTER, EACH STAGE OF SAID COUNTER HAVING A STAGE INPUT PASSAGE, A PAIR OF DIVERGENT SIGNAL INPUT PASSAGES JOINED AT THEIR UPSTREAM ENDS TO SAID INPUT PASSAGE, AND A FLUID AMPLIFIER PORTION INCLUDING A SUPPLY PORT CONNECTED TO SAID SOURCE, THE DOWNSTREAM ENDS OF SAID DIVERGENT SIGNAL INPUT PASSAGES TERMINATING IN SIGNAL INPUT ORIFICES OR SAID FLUID AMPLIFIER PORTION;
Claim 2
Dependent Claim
72 words
A FLUID TIMER COMPRISING: A SOURCE OF PRESSURIZED FLUID; A MULTISTAGE FLUID BINARY COUNTER, EACH STAGE OF SAID COUNTER HAVING A STAGE INPUT PASSAGE, A PAIR OF DIVERGENT SIGNAL INPUT PASSAGES JOINED AT THEIR UPSTREAM ENDS TO SAID INPUT PASSAGE, AND A FLUID AMPLIFIER PORTION INCLUDING A SUPPLY PORT CONNECTED TO SAID SOURCE, THE DOWNSTREAM ENDS OF SAID DIVERGENT SIGNAL INPUT PASSAGES TERMINATING IN SIGNAL INPUT ORIFICES OR SAID FLUID AMPLIFIER PORTION;
References Cited (Backward Citations)
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |