Patent US3450555A successfully refreshed from Google Patents.
US3450555A
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US
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Treatment of textile fibers with soluble polymeric alcohol derivatives
Assignee: Continental Group Inc
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Filing: 1966-12-08
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Granted: 1969-06-17
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Expires: 1986-12-08
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Bridgeford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:23
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/36; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/12; B01J13/125; C; C08; C08B; C08B31/00; C08B31/02; C08B33/00; C08B33/02; C08B37/00; C08F; C08F8/00; C08F8/34; C08F8/44; C08J; C08J3/00; C08J3/12; C08J3/122; C09; C09D; C09D141/00; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/05; D06M15/11; D06M15/19; D06M15/21; D06M15/227; D06M15/233; D06M15/327; D06M15/333; D21H17/21; D21H17/24; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2279; Y10T442/2418; Y10T442/2467
Claims Analysis
Total Claims: 0
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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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |