Patent US1859869A successfully refreshed from Google Patents.
Patent US3197475A successfully refreshed from Google Patents.
US3197475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain 2-(o-aminophenyl)-tetrahydrobenzotriazole compounds
Assignee: EIDP Inc
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Filing: 1962-03-12
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Granted: 1965-07-27
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Carboni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:37
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/12; C07D249/00; C07D249/16; C07D249/18; C07D249/20; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3472; C08K5/3475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND 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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |