US2803975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Driving mechanism
Assignee: Individual
•
Filing: 1954-07-12
•
Granted: 1957-08-27
•
Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Akerman Olov
- 👤 Akerman Lars Olov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:27
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/72; H; H02; H02P; H02P9/00; H02P9/06; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR500853A
Cited
US1515322A
Cited
US2018336A
Cited
US2000465A
Cited
DE760370C
Cited
FR919988A
Cited
GB669530A
Cited
US2588750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |