Patent US2793633A successfully refreshed from Google Patents.
US2793633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetors
Assignee: Individual
•
Filing: 1952-05-24
•
Granted: 1957-05-28
•
Expires: 1972-05-24
Abstract
No abstract record available.
Inventors
- 👤 Heftler Maurice Ben
- 👤 Heftler Pierre Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:15
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08; F02M1/00; F02M1/08; F02M1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1696929A
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US1049417A
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US1861725A
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US2012020A
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US2035177A
Cited
US2066003A
Cited
US2114970A
Cited
US2145029A
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US2531661A
Cited
US2269706A
Cited
US2376228A
Cited
US2655141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |