Patent US3893392A successfully refreshed from Google Patents.
US2910918A
Expired / Lapsed
US
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Gun recoil spring bearing on barrel and breech block
Assignee: SPORTARMS Manufacturing AND DEV CORP
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Filing: 1954-05-28
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Granted: 1959-11-03
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 John B Jewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:54
CPC Classifications
F; F41; F41A; F41A5/00; F41A5/02; F41A3/00; F41A3/12; F41A3/54; F41A3/64; F41A3/78; F41A3/82; F41A3/86
Claims Analysis
Total Claims: 0
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US1342705A
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US2664786A
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US2705847A
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US2776602A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |