US2689357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swimming wings convertible to a beach ball
Assignee: Individual
•
Filing: 1953-10-14
•
Granted: 1954-09-21
•
Expires: 1973-10-14
Abstract
No abstract record available.
Inventors
- 👤 Frederick T Hornback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:03
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; A; A63; A63B; A63B43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043367A
Cited
US1026519A
Cited
US1116393A
Cited
US1234826A
Cited
US1677083A
Cited
US1955053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |