US2803023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Life preserver cushion
Assignee: Holiday Line Inc
•
Filing: 1954-07-19
•
Granted: 1957-08-20
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg David
- 👤 Mirando Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:53
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/28; B63C9/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1381700A
Cited
FR601211A
Cited
US1661690A
Cited
GB324076A
Cited
US1941785A
Cited
US2132544A
Cited
US2310840A
Cited
FR860129A
Cited
US2405484A
Cited
US2620493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |