US2311075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling mill
Assignee: Siemens Industry Inc
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Filing: 1940-03-05
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Granted: 1943-02-16
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Expires: 1960-03-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph M O'malley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:09
CPC Classifications
B; B21; B21B; B21B13/00; B21B13/06; B21B31/00; B21B31/02; B21B2031/026; B21B2203/00; B21B2203/12; B21B2273/00; B21B2273/22; B21B31/16; B21B31/18; B21B35/00; B21B35/12; B21B35/14; B21B35/141; B21B35/142; B21B35/143; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19688
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) | 1946-02-15 | 1946-08-17 | 1947-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-02-15 | 1950-08-17 | 1951-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-02-15 | 1954-08-17 | 1955-02-16 | $7700.00 | Window Closed / Lapsed |