US2084337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of rolling magnetic material
Assignee: Allegheny Ludlum Corp
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Filing: 1934-12-01
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Granted: 1937-06-22
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Expires: 1954-12-01
Abstract
No abstract record available.
Inventors
- 👤 Norman P Goss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:47
CPC Classifications
B; B21; B21B; B21B3/00; B21B3/02; C; C21; C21D; C21D8/00; C21D8/12; C21D8/1216; C21D8/1222; C21D8/1233; Y; Y10; Y10S; Y10S29/00; Y10S29/028; Y10T; Y10T29/00; Y10T29/30; Y10T29/301
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) | 1940-06-21 | 1940-12-21 | 1941-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-06-21 | 1944-12-21 | 1945-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-06-21 | 1948-12-21 | 1949-06-22 | $7700.00 | Window Closed / Lapsed |