Patent US2879738A successfully refreshed from Google Patents.
US2879738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional combined outboard motor and generating plant
Assignee: Individual
•
Filing: 1958-04-28
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Granted: 1959-03-31
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Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Culbertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:38
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/24; B63H20/245; B63J; B63J3/00; B63J3/02; F; F02; F02B; F02B61/00; F02B61/04; F02B61/045; F02B63/00; F02B63/04
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) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |