Patent US3121073A successfully refreshed from Google Patents.
US3121073A
Expired / Lapsed
US
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Metalliferous water-insoluble azo-dye-
Assignee: —
•
Filing: —
•
Granted: 1964-02-11
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Expires: 1981-02-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:07
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/02; C09B45/24; C09B45/28; C09B45/14; C09B45/18; C09B45/22; C09D; C09D11/00; C09D11/30; C09D11/32; C09D11/328
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
THE COMPLEX METAL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF NICKEL, COPPER AND COBALT COMPOUNDS OF WATER-INSOLUBLE AZO-DYESTUFFS HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
27 words
THE COMPLEX METAL COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF NICKEL, COPPER AND COBALT COMPOUNDS OF WATER-INSOLUBLE AZO-DYESTUFFS HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |