US2252697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of metal products
Assignee: MINERALS AND METALS Corp
•
Filing: 1940-02-01
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Granted: 1941-08-19
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Expires: 1960-02-01
Abstract
No abstract record available.
Inventors
- 👤 Herman A Brassert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:40
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/001; C; C21; C21B; C21B13/00; C21B13/0086; C21B13/0093; C21C; C21C3/00; C22; C22C; C22C33/00; C22C33/02; C22C33/0235; Y; Y10; Y10S; Y10S76/00; Y10S76/04; Y10T; Y10T29/00; Y10T29/51; Y10T29/5184; Y10T428/00; Y10T428/12; Y10T428/12014
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) | 1944-08-18 | 1945-02-17 | 1945-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-18 | 1949-02-17 | 1949-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-18 | 1953-02-17 | 1953-08-19 | $7700.00 | Window Closed / Lapsed |