US3071428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of water-
Assignee: —
•
Filing: —
•
Granted: 1963-01-01
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Expires: 1980-01-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:33
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/02; C09B45/14; C09B45/16; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/33; A61K8/36; A61K8/365; A61K8/40; A61K8/44; C11; C11D; C11D3/00; C11D3/16; C11D3/26; C11D3/33; C11D7/00; C11D7/22; C11D7/26; C11D7/265; D; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/342; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/673; D06P1/67333; D06P1/6735; Y; Y10; Y10S; Y10S8/00; Y10S8/907
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
THE PROCESS FOR THE PRODUCTION OF COMPLEX METAL COMPOUNDS HAVING A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, COBALT AND NICKEL, OF A WATER-INSOLUBLE AZO-DYESTUFF HAVING A GROUPING SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2768053A
Cited
US2893814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |