US2139727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deck engine control
Assignee: SHEBOYGAN MACHINE Co
•
Filing: 1937-01-11
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Granted: 1938-12-13
•
Expires: 1957-01-11
Abstract
No abstract record available.
Inventors
- 👤 Cook March Gail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:57
CPC Classifications
B; B63; B63B; B63B21/00; B63B21/16; B63B21/04; B63B21/14; B63B27/00; B63B27/08
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) | 1941-12-12 | 1942-06-13 | 1942-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-12 | 1946-06-13 | 1946-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-12 | 1950-06-13 | 1950-12-13 | $7700.00 | Window Closed / Lapsed |