US2500901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-allyl-6-secondarybutylphenyl ester of benzoic acid
Assignee: Dow Chemical Co
•
Filing: 1949-04-13
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Granted: 1950-03-14
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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 14:11
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/76; C07C69/78
Claims Analysis
Total Claims: 0
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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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |