US2970587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjusting mechanism
Assignee: Individual
•
Filing: 1958-07-21
•
Granted: 1961-02-07
•
Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Estes Eugene Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/14; F01; F01P; F01P5/00; F01P5/02; F01P5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US936094A
Cited
US1380113A
Cited
US1357741A
Cited
US2010056A
Cited
US2037436A
Cited
GB570909A
Cited
US2433573A
Cited
GB637049A
Cited
US2856786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |