Patent US3147274A successfully refreshed from Google Patents.
US3147274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anisic acid derivatives of benzimidazoles
Assignee: Dow Chemical Co
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Filing: 1962-05-24
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Granted: 1964-09-01
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence L Moyle
- 👤 Diomed M Chern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:31
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AN ANISIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS HAVING THE FORMULA
Claim 2
Dependent Claim
15 words
AN ANISIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) COMPOUNDS HAVING THE FORMULA
References Cited (Backward Citations)
GB243766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |