US3097040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dyeing nitrogenous fibers
Assignee: CIBA Co Inc
•
Filing: 1960-02-01
•
Granted: 1963-07-09
•
Expires: 1980-02-01
Abstract
No abstract record available.
Inventors
- 👤 Casty Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:29
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/60; D06P1/607; D06P1/6076; C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; D06P1/62; D06P1/621; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S8/00; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS WHICH COMPRISES DYEING WOOL WITH DYESTUFFS CONTAINING AT LEAST 2 HO3S-GROUPS IN THE PRESENCE OF A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
22 words
A PROCESS WHICH COMPRISES DYEING WOOL WITH DYESTUFFS CONTAINING AT LEAST 2 HO3S-GROUPS IN THE PRESENCE OF A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |