Patent US3897272A successfully refreshed from Google Patents.
US1995110A
Expired / Lapsed
US
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Carburetor
Assignee: ERNEST J SVENSON
•
Filing: 1931-10-07
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Granted: 1935-03-19
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Expires: 1951-10-07
Abstract
No abstract record available.
Inventors
- 👤 Gunnar A Wahlmark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:54
CPC Classifications
F; F02; F02M; F02M9/00; F02M9/12; F02M9/127; F02M9/133; F02M1/00; F02M1/04; F02M1/046; F02M3/00; F02M3/08; F02M7/00; F02M7/06; F02M7/08; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4335; F02M2700/4338
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) | 1938-03-18 | 1938-09-17 | 1939-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-18 | 1942-09-17 | 1943-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-18 | 1946-09-17 | 1947-03-19 | $7700.00 | Window Closed / Lapsed |