Patent US3395899A successfully refreshed from Google Patents.
US3395899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: University of California Berkeley
•
Filing: 1965-09-28
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Granted: 1968-08-06
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Richard D Kopa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:44
CPC Classifications
F; F02; F02M; F02M71/00; F02M13/00; F02M13/02; F02M19/00; F02M19/08; F02M29/00; F02M29/04; F02M29/06; F02M7/00; F02M7/12; F02M7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB230165A
Cited
US1901849A
Cited
US1873919A
Cited
US1984327A
Cited
US1857070A
Cited
US2212052A
Cited
US2187885A
Cited
US2575210A
Cited
US2655356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |