Patent US2918847A successfully refreshed from Google Patents.
US2918847A
Expired / Lapsed
US
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Machine gun
Assignee: Textron Systems Corp
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Filing: 1955-02-16
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Granted: 1959-12-29
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Expires: 1975-02-16
Abstract
No abstract record available.
Inventors
- 👤 Irwin R Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:24
CPC Classifications
F; F41; F41A; F41A5/00; F41A5/18; F41A5/26; F41A9/00; F41A9/01; F41A9/06; F41A9/09; F41A9/10; F41A9/13; F41A9/16; F41A9/38; F41A9/39; F41A9/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US770320A
Cited
US1525066A
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US1674370A
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US1892141A
Cited
US2245622A
Cited
US2519582A
Cited
US2409225A
Cited
US2582989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |