US3229716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder valve unit
Assignee: Fisher Governor Co
•
Filing: 1962-08-27
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Granted: 1966-01-18
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Philip L Johnson
- 👤 Oscar N Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:01
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/306; F16K1/305; F16K15/00; F16K15/02; F16K15/025; F16K15/026; F16K15/06; F16K15/063; F16K15/066; F16K17/00; F16K17/02; F16K17/04; F16K17/0413; F16K17/042; F16K17/168; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; Y; Y10; Y10T; Y10T137/00; Y10T137/598; Y10T137/612; Y10T137/613; Y10T137/6137; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/783; Y10T137/7837; Y10T137/7838; Y10T137/7842; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7937; Y10T137/8593; Y10T137/86292; Y10T137/86324; Y10T137/86332; Y10T137/877; Y10T137/87829; Y10T137/87837; Y10T137/87861; Y10T137/87917; Y10T137/9247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1812678A
Cited
US2831756A
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US2854991A
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FR70600E
Cited
US3004686A
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US3043334A
Cited
US3043332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |