Patent US3202123A successfully refreshed from Google Patents.
US3202123A
Expired / Lapsed
US
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Marine engine cooling coupler
Assignee: Individual
•
Filing: 1962-08-15
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Granted: 1965-08-24
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Expires: 1982-08-15
Abstract
No abstract record available.
Inventors
- 👤 Sydney F Goodfriend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:27
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/20; F01P3/207; B; B63; B63J; B63J2/00; B63J2/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |