Patent US2915946A successfully refreshed from Google Patents.
US2915946A
Expired / Lapsed
US
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Segmented molybdenum gun liner
Assignee: Westinghouse Electric Corp
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Filing: 1951-10-30
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Granted: 1959-12-08
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Expires: 1971-10-30
Abstract
No abstract record available.
Inventors
- 👤 John W Marden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:48
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/02; F41A21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US418154A
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US1316509A
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US922791A
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US1544469A
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US1903295A
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US2104319A
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US2238670A
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US2383356A
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US2499944A
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US2467218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |