Patent US2996988A successfully refreshed from Google Patents.
US2996988A
Expired / Lapsed
US
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Cartridge for firearms having sideloaded firing chambers
Assignee: Hughes Tool Co
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Filing: 1958-03-04
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Granted: 1961-08-22
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Expires: 1978-03-04
Abstract
No abstract record available.
Inventors
- 👤 George E Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/18; F42B5/182; F41; F41A; F41A9/00; F41A9/38; F41A9/46; F42B5/025; F42B5/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |