Patent US2636192A successfully refreshed from Google Patents.
US2636192A
Expired / Lapsed
US
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Folding boat
Assignee: Individual
•
Filing: 1950-11-15
•
Granted: 1953-04-28
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Hayden C May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:28
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06; B63B34/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1289906A
Cited
US1573958A
Cited
GB360033A
Cited
US1857236A
Cited
US1863489A
Cited
US2153282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |