US2811930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air motor governor
Assignee: Borg Warner Corp
•
Filing: 1952-06-18
•
Granted: 1957-11-05
•
Expires: 1972-06-18
Abstract
No abstract record available.
Inventors
- 👤 Henry H Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:11
CPC Classifications
F; F01; F01B; F01B25/00; F01B25/02; F01B25/04; F01B25/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1017571A
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US1554093A
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US1774997A
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US1864217A
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US1759763A
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US1888078A
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US1841425A
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US1795447A
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US2331503A
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US2402972A
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US2466358A
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US2553584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |