US2805992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile conditioning agent
Assignee: Celanese Corp
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Filing: 1954-03-30
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Granted: 1957-09-10
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 Fortess Fred
- 👤 Hohing Conrad
- 👤 Charles E Kip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:08
CPC Classifications
D; D06; D06M; D06M7/00; C; C10; C10M; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2040/00; C10N2040/46; D06M2200/00; D06M2200/40; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06; Y10S516/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |