Patent US3211514A successfully refreshed from Google Patents.
US3211514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing and printing netrugen-containhng fibers
Assignee: —
•
Filing: —
•
Granted: 1965-10-12
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Expires: 1982-10-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:22
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/38; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/58; D06P3/60; D06P3/66; Y; Y10; Y10S; Y10S8/00; Y10S8/908; Y10S8/92; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
METHOD FOR COLORING WOOL IN A CONTINUOUS WAY, WHEREIN THE WOOL IS IMPREGNATED WITH AN AQUEOUS PREPARATION OF ACID TO NEUTRAL REACTION COMPRISING A WOOL DYESTUFF AND AS ASSISTANT A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
34 words
METHOD FOR COLORING WOOL IN A CONTINUOUS WAY, WHEREIN THE WOOL IS IMPREGNATED WITH AN AQUEOUS PREPARATION OF ACID TO NEUTRAL REACTION COMPRISING A WOOL DYESTUFF AND AS ASSISTANT A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2089212A
Cited
US3056644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |