Patent US3068056A successfully refreshed from Google Patents.
US3068056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing of polyester fiber and the products so obtained
Assignee: EIDP Inc
•
Filing: 1960-06-02
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Granted: 1962-12-11
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Expires: 1980-06-02
Abstract
No abstract record available.
Inventors
- 👤 Coe David Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; C; C09; C09B; C09B29/00; C09B29/0025; D06P3/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOSITION COMPRISING ACID-MODIFIED POLYESTER FIBER DYED WITH A DYE OF THE FORMULA
Claim 2
Dependent Claim
13 words
A COMPOSITION COMPRISING ACID-MODIFIED POLYESTER FIBER DYED WITH A DYE OF 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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |