US2641780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recovering practice torpedoes
Assignee: Individual
•
Filing: 1949-01-24
•
Granted: 1953-06-16
•
Expires: 1969-01-24
Abstract
No abstract record available.
Inventors
- 👤 Charles B Brown
- 👤 Everett F Cox
- 👤 Machenry Richard
- 👤 Finkle Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:39
CPC Classifications
F; F42; F42B; F42B19/00; F42B19/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US692001A
Cited
US1252877A
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US1541683A
Cited
US1581314A
Cited
US1640821A
Cited
US1811241A
Cited
US1810084A
Cited
US1824694A
Cited
US2415863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |