US2532256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of die casting
Assignee: SCHULTZ DIE CASTING Co
•
Filing: 1947-12-10
•
Granted: 1950-11-28
•
Expires: 1967-12-10
Abstract
No abstract record available.
Inventors
- 👤 Burton F Holmes
- 👤 Herbert H Heindel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:03
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/32; H; H01; H01H; H01H7/00; H01H7/08; H01H7/10; H01H7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1514103A
Cited
US2173377A
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US2113033A
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US2094080A
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US2098310A
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US2147449A
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GB504680A
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US2207055A
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US2145956A
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US2182059A
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US2277579A
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US2299501A
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US2339750A
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US2363759A
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US2494071A
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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) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |