US2986751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable buoyant device
Assignee: Individual
•
Filing: 1958-09-02
•
Granted: 1961-06-06
•
Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Baren Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:34
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06; B63B7/08; B63B34/00; B63B34/50; B63B34/52; B63B32/00; B63B32/50; B63B32/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1206696A
Cited
US1262989A
Cited
US2396212A
Cited
US2623574A
Cited
US2717399A
Cited
US2928109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |