US2674110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warp tension control means
Assignee: Celanese Corp
•
Filing: 1948-10-23
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Granted: 1954-04-06
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Expires: 1968-10-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Roughsedge
- 👤 Hans G Lustig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:31
CPC Classifications
D; D04; D04B; D04B27/00; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y02P70/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US410505A
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US745449A
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US671534A
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US745240A
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US1790201A
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US2327747A
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US2308430A
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US2448035A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |