Patent US2742654A successfully refreshed from Google Patents.
US2742654A
Expired / Lapsed
US
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Life saving device
Assignee: Uniroyal Inc
•
Filing: 1953-02-09
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Granted: 1956-04-24
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Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 Victor H Hurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:58
CPC Classifications
B; B63; B63C; B63C9/00; B63C9/08; B63C9/11; B63C9/125; B63C9/1255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US728745A
Cited
US790971A
Cited
US1401677A
Cited
US1481144A
Cited
GB324076A
Cited
US1812936A
Cited
GB592457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |