Patent US2941494A successfully refreshed from Google Patents.
US2941494A
Expired / Lapsed
US
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Power propelled water craft
Assignee: BANTAR Inc
•
Filing: 1954-02-23
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Granted: 1960-06-21
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Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 John W Mcbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:57
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/30; B63H1/34; B63H2001/342; B63H2001/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397718A
Cited
US440234A
Cited
US921823A
Cited
US1516270A
Cited
US1788440A
Cited
FR809942A
Cited
US2404493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |