Patent US2765738A successfully refreshed from Google Patents.
US2765738A
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US
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Mushrooming projectiles
Assignee: Olin Corp
•
Filing: 1950-07-27
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Granted: 1956-10-09
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Expires: 1970-07-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry E Frech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:47
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/72; F42B12/76; F42B12/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1303727A
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US1099298A
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US1715788A
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US2044780A
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US2183502A
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US2327950A
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US2333091A
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US2338652A
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US2325079A
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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) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |