US2709266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming boards
Assignee: Individual
•
Filing: 1952-04-18
•
Granted: 1955-05-31
•
Expires: 1972-04-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Munn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/46; B63B; B63B34/00; B63B34/60; B63B34/63; B63C11/02; B63C2011/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR351253A
Cited
US1104441A
Cited
US1222114A
Cited
US1223730A
Cited
DE593763C
Cited
US2195527A
Cited
DE818742C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |