Patent US2333697A successfully refreshed from Google Patents.
US2333697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knitting machine
Assignee: Celanese Corp
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Filing: 1941-01-28
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Granted: 1943-11-09
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Expires: 1961-01-28
Abstract
No abstract record available.
Inventors
- 👤 Boaler William Henry
- 👤 Guyler Albert Fairholme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:24
CPC Classifications
D; D04; D04B; D04B27/00; D04B27/06; D04B27/08; D04B27/10; D04B27/24; D04B27/26
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) | 1946-11-08 | 1947-05-10 | 1947-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-11-08 | 1951-05-10 | 1951-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-11-08 | 1955-05-10 | 1955-11-09 | $7700.00 | Window Closed / Lapsed |