US1805959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor piston
Assignee: Individual
•
Filing: 1926-12-10
•
Granted: 1931-05-19
•
Expires: 1946-12-10
Abstract
No abstract record available.
Inventors
- 👤 Arnold A Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:09
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/06; F16J9/061; F16J9/063; F16J9/12; F16J9/14; F16J9/145
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) | 1934-05-18 | 1934-11-17 | 1935-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-18 | 1938-11-17 | 1939-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-18 | 1942-11-17 | 1943-05-19 | $7700.00 | Window Closed / Lapsed |