Patent US3288777A successfully refreshed from Google Patents.
US3288777A
Expired / Lapsed
US
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Metallized monoazodyestuffs containing a dihalopyrimidyl group
Assignee: Sandoz AG
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Filing: 1963-03-04
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Granted: 1966-11-29
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 Benz Jakob
- 👤 Schweizer August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:44
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B62/24; C09B62/255; C09B62/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A METAL-COMPLEX DYESTUFF SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
9 words
A METAL-COMPLEX DYESTUFF SELECTED FROM THE GROUP CONSISTING OF
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |