US1357571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Land and water engine
Assignee: Individual
•
Filing: 1920-05-25
•
Granted: 1920-11-02
•
Expires: 1940-05-25
Abstract
No abstract record available.
Inventors
- 👤 Knepper Asher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:25
CPC Classifications
B; B60; B60K; B60K7/00; B60F; B60F3/00; B60F3/0007; B60K17/00; B60K17/04; B60K17/043; B60K2007/0046; B60K2007/0069; B60K2007/0084; B60L; B60L2220/00; B60L2220/40; B60L2220/46
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) | 1923-11-02 | 1924-05-03 | 1924-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-02 | 1928-05-03 | 1928-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-02 | 1932-05-03 | 1932-11-02 | $7700.00 | Window Closed / Lapsed |