US2485908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diving gear
Assignee: United States, AS REPRESENTED BY EXECUTIVE SECRETARY OF OFFICE OF SCIENTIFIC RESEARCH AND DEVELOPMENT
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Filing: 1946-03-26
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Granted: 1949-10-25
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Expires: 1966-03-26
Abstract
No abstract record available.
Inventors
- 👤 Charles T Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:40
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/12; B63C11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1253485A
Cited
US807322A
Cited
US1251655A
Cited
US1376263A
Cited
US1807512A
Cited
US1990249A
Cited
US2168695A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-24 | 1953-04-25 | 1953-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-24 | 1957-04-25 | 1957-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-24 | 1961-04-25 | 1961-10-25 | $7700.00 | Window Closed / Lapsed |