Patent US1771629A successfully refreshed from Google Patents.
US1771629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power unit
Assignee: Individual
•
Filing: 1927-08-25
•
Granted: 1930-07-29
•
Expires: 1947-08-25
Abstract
No abstract record available.
Inventors
- 👤 Hoe Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:00
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-07-28 | 1934-01-27 | 1934-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-07-28 | 1938-01-27 | 1938-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-07-28 | 1942-01-27 | 1942-07-29 | $7700.00 | Window Closed / Lapsed |