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Patent US3060180A successfully refreshed from Google Patents.
US3060180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
O nh-qo-
Assignee: —
•
Filing: —
•
Granted: 1962-10-23
•
Expires: 1979-10-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/46; C09B1/467
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ANTHRAQUINONE VAT DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
7 words
AN ANTHRAQUINONE VAT DYESTUFF 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) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |