Patent US2946804A successfully refreshed from Google Patents.
US2946804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
(5-methyl-4-imidazolyl)-diphenyl carbinol salts and lower alkyl quaternaries
Assignee: Abbott Laboratories
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Filing: 1958-12-29
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Granted: 1960-07-26
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Harold E Zaugg
- 👤 Net Robert W De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:10
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/64
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
A COMPOUND SELECTED FROM THE CLASS CONSISTING OF BASES OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |