US2845741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite firearm barrel
Assignee: Olin Corp
•
Filing: 1955-04-27
•
Granted: 1958-08-05
•
Expires: 1975-04-27
Abstract
No abstract record available.
Inventors
- 👤 Harry I Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:55
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US514407A
Cited
US521911A
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US2650619A
Cited
US930927A
Cited
US2047778A
Cited
US2249899A
Cited
US2534811A
Cited
US2744043A
Cited
US2736117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |