Patent US3548709A successfully refreshed from Google Patents.
US3548709A
Expired / Lapsed
US
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Firing mechanism for automatic grenade launcher
Assignee: United States Department of the Army
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Filing: 1968-12-27
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Granted: 1970-12-22
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Expires: 1988-12-27
Abstract
No abstract record available.
Inventors
- 👤 Marshall D Prince
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:36
CPC Classifications
F; F41; F41A; F41A7/00; F41A7/08; F41A7/10; F41A19/00; F41A19/06; F41A19/25; F41A19/27; F41A19/29; F41A19/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |