Patent US2296498A successfully refreshed from Google Patents.
US2296498A
Expired / Lapsed
US
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Manufacture of metal products
Assignee: MINERALS AND METALS Corp
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Filing: 1940-03-09
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Granted: 1942-09-22
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Expires: 1960-03-09
Abstract
No abstract record available.
Inventors
- 👤 Herman A Brassert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:52
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0235; C21; C21B; C21B13/00; C21B13/0086; C21B13/0093; C21B13/10; C21B13/105; Y; Y02; Y02P; Y02P10/00; Y02P10/10; Y02P10/134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-09-21 | 1946-03-23 | 1946-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-21 | 1950-03-23 | 1950-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-21 | 1954-03-23 | 1954-09-22 | $7700.00 | Window Closed / Lapsed |