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Patent US2897758A successfully refreshed from Google Patents.
US2897758A
Expired / Lapsed
US
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Metallic shotshell
Assignee: Olin Corp
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Filing: 1956-09-17
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Granted: 1959-08-04
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Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Charles E Miller
- 👤 Merton L Robinson
- 👤 William B Woodring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:42
CPC Classifications
F; F42; F42B; F42B7/00; F42B7/02; F42B7/04
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |