Patent US2928631A successfully refreshed from Google Patents.
US2928631A
Expired / Lapsed
US
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Supporting assembly for outboard motors
Assignee: Individual
•
Filing: 1957-07-22
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Granted: 1960-03-15
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Expires: 1977-07-22
Abstract
No abstract record available.
Inventors
- 👤 Cletus G Hartman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:00
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63H20/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1152425A
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US1973166A
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US2527904A
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US2627833A
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US2668679A
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US2714362A
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US2706961A
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US2757888A
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US2808218A
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US2764119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |