Patent US2858741A successfully refreshed from Google Patents.
US2858741A
Expired / Lapsed
US
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Selective firing control for open and closed bolt positions
Assignee: Individual
•
Filing: 1956-07-11
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Granted: 1958-11-04
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Expires: 1976-07-11
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:24
CPC Classifications
F; F41; F41A; F41A19/00; F41A19/06; F41A19/42; F41A19/43; F41A19/46
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |