US2968292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine engine cooling systems
Assignee: Mcculloch Corp
•
Filing: 1960-05-09
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Granted: 1961-01-17
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Expires: 1980-05-09
Abstract
No abstract record available.
Inventors
- 👤 Douglas E Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:24
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/20; F01P3/207; F02; F02B; F02B61/00; F02B61/04; F02B61/045; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2741231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |