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Patent US2420267A successfully refreshed from Google Patents.
US2420267A
Expired / Lapsed
US
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Support for rifles and other shoulder firearms
Assignee: Olin Industries Inc
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Filing: 1945-04-19
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Granted: 1947-05-06
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Expires: 1965-04-19
Abstract
No abstract record available.
Inventors
- 👤 Harry H Sefried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:51
CPC Classifications
F; F41; F41A; F41A23/00; F41A23/02; F41A23/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32221; Y10T403/32254; Y10T403/32262; Y10T403/32606; Y10T403/32861; Y10T403/32918
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) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |