Patent US3105070A successfully refreshed from Google Patents.
US3105070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phthalocyanine dyestuffs containing halo-pyrimidyl groups
Assignee: Sandoz AG
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Filing: 1962-03-26
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Granted: 1963-09-24
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Bitterli Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:26
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B62/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
DYES OF THE FORMULA
Claim 2
Dependent Claim
4 words
DYES OF THE FORMULA
Claim 3
Dependent Claim
5 words
THE DYE OF THE FORMULA
Claim 4
Dependent Claim
5 words
THE DYE OF THE FORMULA
References Cited (Backward Citations)
GB805562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |