US1910561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propulsion device
Assignee: Individual
•
Filing: 1928-07-05
•
Granted: 1933-05-23
•
Expires: 1948-07-05
Abstract
No abstract record available.
Inventors
- 👤 James H Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:00
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/28; B63H20/285; B63H20/08; B63H20/10; B63H20/12; B63H20/32; B63H20/34; B63H23/00; B63H23/02; B63H23/04; B63H23/30; B63H5/00; B63H5/07; B63H5/08; B63H5/10
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) | 1936-05-22 | 1936-11-21 | 1937-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-22 | 1940-11-21 | 1941-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-22 | 1944-11-21 | 1945-05-23 | $7700.00 | Window Closed / Lapsed |