US3534757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidic frequency-responsive lag circuit component
Assignee: General Electric Co
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Filing: 1968-07-18
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Granted: 1970-10-20
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Expires: 1988-07-18
Abstract
No abstract record available.
Inventors
- 👤 Martin C Doherty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:44
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/14; F15C1/146; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2131; Y10T137/2147; Y10T137/2224; Y10T137/5109; Y10T137/5283
Claims Analysis
Total Claims: 0
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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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |