US1857636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard motor
Assignee: Individual
•
Filing: 1929-08-21
•
Granted: 1932-05-10
•
Expires: 1949-08-21
Abstract
No abstract record available.
Inventors
- 👤 Oscar S Heide
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:04
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/28; B63H20/285; B63H20/08; B63H20/10; B63H20/12; B63H23/00; B63H23/30; B63H23/32; B63H23/321; B63H25/00; B63H25/42
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) | 1935-05-10 | 1935-11-09 | 1936-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-10 | 1939-11-09 | 1940-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-10 | 1943-11-09 | 1944-05-10 | $7700.00 | Window Closed / Lapsed |