US2667089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct drive transmission with automatically load responsive range of low gear ratios
Assignee: Individual
•
Filing: 1950-07-08
•
Granted: 1954-01-26
•
Expires: 1970-07-08
Abstract
No abstract record available.
Inventors
- 👤 Charles E Gregory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:34
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1192777A
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US1664870A
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US1620859A
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US1715908A
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US1717681A
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US1740010A
Cited
US2285760A
Cited
US2181162A
Cited
US2595628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |