US3480378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing linear polyester fiber materials
Assignee: Bayer AG
•
Filing: 1965-03-10
•
Granted: 1969-11-25
•
Expires: 1985-03-10
Abstract
No abstract record available.
Inventors
- 👤 Carl Taube
- 👤 Karl-Heinz Freytag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:22
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/36; C; C09; C09B; C09B69/00; C09B69/08; D06P1/00; D06P1/0048; D06P1/44; D06P1/52; D06P1/64; D06P1/642; D06P1/645; D06P1/673; D06P1/67333; D06P1/6735; D06P3/52; D06P3/54; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2594803A
Cited
US2926986A
Cited
US2203493A
Cited
US2982597A
Cited
US3016280A
Cited
US3281201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |