US2785369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving arrangement and motor overload protection
Assignee: Individual
•
Filing: 1951-08-01
•
Granted: 1957-03-12
•
Expires: 1971-08-01
Abstract
No abstract record available.
Inventors
- 👤 David R Ligh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:48
CPC Classifications
F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19698; Y10T74/19828; Y10T74/19842
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1938720A
Cited
US1996849A
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US2005891A
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US2028696A
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US2062905A
Cited
US2086030A
Cited
US2106502A
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US2210572A
Cited
US2444530A
Cited
US2580298A
Cited
US2583140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |