Patent US4541681A successfully refreshed from Google Patents.
US2542200A
Expired / Lapsed
US
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Ammunition supply system
Assignee: United Shoe Machinery Corp
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Filing: 1947-02-14
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Granted: 1951-02-20
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Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Vincent S Kraeger
- 👤 George H Heys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:56
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/01; F41A9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1355488A
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US683039A
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US2407692A
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US2402777A
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US2148262A
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US2428414A
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US2403170A
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US2382522A
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US2429497A
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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) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |