US3125402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Xcx ch
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:13
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/06; C09B29/08; D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
IN THE PROCESS FOR DYEING POLYETHYLENE TEREPHTHALTE FIBRES, THE IMPROVEMENT WHICH COMPRISES APPLYING ONTO THESE FIBRES AN AZO DYESTUFF SELECTED FROM THE GROUP
Claim 2
Dependent Claim
23 words
IN THE PROCESS FOR DYEING POLYETHYLENE TEREPHTHALTE FIBRES, THE IMPROVEMENT WHICH COMPRISES APPLYING ONTO THESE FIBRES AN AZO DYESTUFF SELECTED FROM THE GROUP
References Cited (Backward Citations)
US2173417A
Cited
US2516303A
Cited
US2469695A
Cited
US2830043A
Cited
US2888450A
Cited
US2955901A
Cited
US2980666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |