US3123433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the colouration of fibres
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:59
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/02; C09B31/12; C09B31/14; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/922; Y10S8/924; Y10S8/934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
PROCESS FOR THE COLOURATION OF FIBRES BASED ON POLYETHYLENE TEREPHTHALATE WHICH COMPRISES APPLYING THERETO A DYESTUFF OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
20 words
PROCESS FOR THE COLOURATION OF FIBRES BASED ON POLYETHYLENE TEREPHTHALATE WHICH COMPRISES APPLYING THERETO A DYESTUFF OF THE GENERAL FORMULA:
References Cited (Backward Citations)
GB395026A
Cited
US2014484A
Cited
US2128508A
Cited
US2138553A
Cited
US2557285A
Cited
US2934397A
Cited
US2955901A
Cited
US3012843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |