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US2826990A
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Aerial sown grenade
Assignee: Individual
•
Filing: 1953-04-23
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Granted: 1958-03-18
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Expires: 1973-04-23
Abstract
No abstract record available.
Inventors
- 👤 William P Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:29
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/38; F42C14/00; F42C14/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2329414A
Cited
US2402716A
Cited
US2314678A
Cited
GB561665A
Cited
US2447971A
Cited
US2668499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |