US2934459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Azoic colors
Assignee: Union Carbide Corp
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Filing: 1957-08-02
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Granted: 1960-04-26
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Expires: 1977-08-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Peter C Canovai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:11
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/008; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; C09B29/00; C09B29/06; C09B29/08; C09B31/00; C09B31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS FOR COLORING FABRIC, WICH COMPRISES THE STEPS OF TREATING THE FABRIC WITH AN ARYLAMINOALKYLSILANE AS REPRESENTED BY THE GENERAL FORMULA:
Claim 2
Dependent Claim
22 words
A PROCESS FOR COLORING FABRIC, WICH COMPRISES THE STEPS OF TREATING THE FABRIC WITH AN ARYLAMINOALKYLSILANE AS REPRESENTED BY THE GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |