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Patent US2466561A successfully refreshed from Google Patents.
US2466561A
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Propellent cartridge for mortar shells
Assignee: Federal Cartridge Corp
•
Filing: 1944-08-22
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Granted: 1949-04-05
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Expires: 1964-08-22
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Standal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:54
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/38; Y; Y10; Y10S; Y10S60/00; Y10S60/914
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US645546A
Cited
GB190303680A
Cited
US1144379A
Cited
GB203322A
Cited
GB210557A
Cited
US1628527A
Cited
US2178599A
Cited
US2144232A
Cited
US2336065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |