Patent US2630537A successfully refreshed from Google Patents.
US2630537A
Expired / Lapsed
US
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Portable engine-generator set
Assignee: Avco Manufacturing Corp
•
Filing: 1951-02-13
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Granted: 1953-03-03
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Expires: 1971-02-13
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Wiegman
- 👤 Dudley S King
- 👤 August W Rickenbach
- 👤 Frederic G Rohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:47
CPC Classifications
F; F02; F02B; F02B63/00; F02B63/04; F02B63/044; F02B63/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1873379A
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US1947713A
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US2004405A
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US2086036A
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US2150143A
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US2177687A
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US2209363A
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US2256448A
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US2376683A
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US2355208A
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US2499176A
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US2482924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |