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Patent US2592498A successfully refreshed from Google Patents.
US2592498A
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Pedal boat propulsion means
Assignee: JOHN MADISON GUICE
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Filing: 1950-01-05
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Granted: 1952-04-08
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Expires: 1970-01-05
Abstract
No abstract record available.
Inventors
- 👤 Wells Isaac Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:46
CPC Classifications
B; B63; B63H; B63H16/00; B63H16/08; B63H16/12; B63H16/20; B63H2016/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1310764A
Cited
US839595A
Cited
CH100086A
Cited
US1737899A
Cited
US1806432A
Cited
US1964383A
Cited
US2525349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |