US3132130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy metal-containing azo dyestuffs
Assignee: Novartis AG
•
Filing: 1960-10-11
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Granted: 1964-05-05
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Expires: 1980-10-11
Abstract
No abstract record available.
Inventors
- 👤 Beffa Fabio
- 👤 Schetty Guido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:37
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/02; C09B45/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
METALLIFEROUS DYESTUFF CONTAINING CO-ORDINATED WITH A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND COBALT AT LEAST ONE MOLECULE OF MONOAZO DYE OF THE FORMULA
Claim 2
Dependent Claim
26 words
METALLIFEROUS DYESTUFF CONTAINING CO-ORDINATED WITH A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND COBALT AT LEAST ONE MOLECULE OF MONOAZO 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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |