US1805023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated driving means
Assignee: NAT HYDRODRIV Co
•
Filing: 1927-01-07
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Granted: 1931-05-12
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Expires: 1947-01-07
Abstract
No abstract record available.
Inventors
- 👤 Luther W Springsteen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:31
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; F; F03; F03C; F03C2/00; F03C2/30
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) | 1934-05-11 | 1934-11-10 | 1935-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-05-11 | 1938-11-10 | 1939-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-05-11 | 1942-11-10 | 1943-05-12 | $7700.00 | Window Closed / Lapsed |