US2718792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible lower gear unit for outboard motors
Assignee: Individual
•
Filing: 1952-08-04
•
Granted: 1955-09-27
•
Expires: 1972-08-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Kiekhaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:42
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/14; B63H20/20; B63H20/32; B63H2020/323; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1181634A
Cited
US1184944A
Cited
GB123237A
Cited
US1844386A
Cited
US2071634A
Cited
US2284589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |