US2716245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Life preserver
Assignee: Individual
•
Filing: 1952-08-12
•
Granted: 1955-08-30
•
Expires: 1972-08-12
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Desjarlais
- 👤 Desjarlais Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:00
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/13; B63C9/15; B63C9/155
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US687938A
Cited
FR421226A
Cited
US1442226A
Cited
CH75926A
Cited
US1236310A
Cited
US1525517A
Cited
US1478239A
Cited
US1694714A
Cited
US1701927A
Cited
US1811847A
Cited
US2005460A
Cited
US2128423A
Cited
US2347010A
Cited
US2451474A
Cited
US2574028A
Cited
US2629118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |