Patent US2665301A successfully refreshed from Google Patents.
US2665301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl esters of chlorobenzoic acid
Assignee: Dow Chemical Co
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Filing: 1949-04-13
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Granted: 1954-01-05
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Expires: 1969-04-13
Abstract
No abstract record available.
Inventors
- 👤 Monroe Ezra
- 👤 Hand Clare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:27
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
AN ARYL ESTER OF A CHLOROBENZOIC ACID HAVING THE FORMULA:
Claim 2
Dependent Claim
10 words
AN ARYL ESTER OF A CHLOROBENZOIC ACID HAVING THE FORMULA:
References Cited (Backward Citations)
US2211467A
Cited
US2211468A
Cited
US2397802A
Cited
US2437427A
Cited
US2430586A
Cited
US2500902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |