US2969389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trans-p-chloro-alpha-methylcinnamic acid
Assignee: Dow Chemical Co
•
Filing: 1958-10-06
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Granted: 1961-01-24
•
Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Donald G Kundiger
- 👤 Gene F Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
C; C07; C07C; C07C57/00; C07C57/52; C07C57/58; C07C57/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A METHOD FOR THE PREPARATION OF TRANS-P-CHLORO-AMETHYLCINNAMIC ACID HAVING THE FORMULA
Claim 2
Independent Claim
11 words
A METHOD FOR THE PREPARATION OF TRANS-P-CHLORO-AMETHYLCINNAMIC ACID HAVING 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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |