Patent US2026754A successfully refreshed from Google Patents.
US2026754A
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US
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Manipulation of sheet material
Assignee: Celanese Corp
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Filing: 1934-01-26
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Granted: 1936-01-07
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Expires: 1954-01-26
Abstract
No abstract record available.
Inventors
- 👤 Stafford Charles Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:55
CPC Classifications
B; B26; B26D; B26D1/00; B26D1/01; B26D1/547; B26D1/553; B26D1/5535; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1084; Y10T225/00; Y10T225/10; Y10T225/12; Y10T225/14; Y10T225/30; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T29/49996; Y10T83/00; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/6595
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) | 1939-01-06 | 1939-07-08 | 1940-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-01-06 | 1943-07-08 | 1944-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-01-06 | 1947-07-08 | 1948-01-07 | $7700.00 | Window Closed / Lapsed |