US2531946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surfboard
Assignee: Individual
•
Filing: 1948-01-29
•
Granted: 1950-11-28
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 George B D Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
B; B63; B63B; B63B32/00; B63B32/50; B63B32/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US32403A
Cited
US787065A
Cited
US1104441A
Cited
US1367231A
Cited
US1478345A
Cited
US1814772A
Cited
US1953359A
Cited
US1852987A
Cited
US2392734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |