US3097039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoas oh
Assignee: —
•
Filing: —
•
Granted: 1963-07-09
•
Expires: 1980-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:24
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/655; D06P1/66; D06P3/00; D06P3/58; D06P3/60; D06P3/66; Y; Y10; Y10S; Y10S8/00; Y10S8/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS FOR DYEING WOOL, WHICH COMPRISES DYEING THE WOOL IN AN AQUEOUS BATH IN THE PRESENCE OF A CATION ACTIVE QUATERNARY AMMONIUM COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
27 words
A PROCESS FOR DYEING WOOL, WHICH COMPRISES DYEING THE WOOL IN AN AQUEOUS BATH IN THE PRESENCE OF A CATION ACTIVE QUATERNARY AMMONIUM COMPOUND OF THE FORMULA
References Cited (Backward Citations)
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US2933489A
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US1970578A
Cited
US2153701A
Cited
US2763530A
Cited
US2890094A
Cited
US2900218A
Cited
US2973351A
Cited
US3007912A
Cited
US3903325A
Cited
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 |