Patent US468367A successfully refreshed from Google Patents.
Patent US3043827A successfully refreshed from Google Patents.
US3043827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dye compounds for acrylic fibers
Assignee: Eastman Kodak Co
•
Filing: 1960-03-14
•
Granted: 1962-07-10
•
Expires: 1980-03-14
Abstract
No abstract record available.
Inventors
- 👤 James M Straley
- 👤 Raymond C Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:18
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/10; C09B29/18; C09B29/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE AZO COMPOUNDS HAVING THE FORMULA:
Claim 2
Dependent Claim
6 words
THE AZO COMPOUNDS HAVING THE 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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |