Patent US2844975A successfully refreshed from Google Patents.
US2844975A
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US
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Planetary gearing designs
Assignee: Borg Warner Corp
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Filing: 1956-07-18
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Granted: 1958-07-29
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Expires: 1976-07-18
Abstract
No abstract record available.
Inventors
- 👤 Donald W Kelbel
- 👤 Orr Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:55
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H2200/00; F16H2200/20; F16H2200/2002; F16H2200/2007; F16H2200/203; F16H2200/2046
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |