US3429271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear reduction drive mechanism for rotary fluid pressure devices or the like
Assignee: Individual
•
Filing: 1967-07-31
•
Granted: 1969-02-25
•
Expires: 1987-07-31
Abstract
No abstract record available.
Inventors
- 👤 Wayne B Easton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:23
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/10; F01C1/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US560579A
Cited
US2871831A
Cited
USRE26383E
Cited
US628094A
Cited
US1590166A
Cited
US2209201A
Cited
US2170951A
Cited
US2884815A
Cited
US3288078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |