US3473882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing and printing polyalkylene terephthalate fibers with dispersed anthraquinone dyestuff
Assignee: BASF Schweiz AG
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Filing: 1965-05-03
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Granted: 1969-10-21
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Kurt Weber
- 👤 Hansruedi Rickenbacher
- 👤 Ulrich Meister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:03
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/82; D06P3/8204; D06P3/8223; D06P3/8238; D06P3/8252; C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/42; C09B1/50; C09B1/54; C09B1/545; C09B1/56; C09B1/58; C09B1/60; C09B43/00; C09B43/12; C09B43/136; C09B43/16; C09B5/00; C09B5/02; C09B5/16; C09B62/00; C09B62/02; C09B62/04; C09B62/08; C09B62/085; D06P1/00; D06P1/16; D06P1/20; D06P3/8214; D06P3/8247; Y; Y10; Y10S; Y10S8/00; Y10S8/933
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2876061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |