Patent US3170436A successfully refreshed from Google Patents.
US3170436A
Expired / Lapsed
US
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Boat for sport or recreation
Assignee: Individual
•
Filing: 1963-07-02
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Granted: 1965-02-23
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Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Deutsch Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:32
CPC Classifications
B; B63; B63H; B63H20/00; B63H20/02; B63H20/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1737180A
Cited
US2368885A
Cited
US2633817A
Cited
US2682854A
Cited
US2949879A
Cited
US3073279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |