US3054389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air driven rotary motor
Assignee: Individual
•
Filing: 1959-03-02
•
Granted: 1962-09-18
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Earl G Roggenburk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:59
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/18; F01C21/186; B; B24; B24B; B24B23/00; B24B23/02; B24B23/026; F01C21/08; F01C21/0809
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |