US3268582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenylalkyl-carboxylic acid amides
Assignee: C.H. Boehringer Sohn AG and Co KG
•
Filing: 1963-05-07
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Granted: 1966-08-23
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Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 Zeile Karl
- 👤 Hauptmann Karl Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:39
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07C; C07C231/00; C07C231/02; C07C233/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A PHENYLALKYL-CARBOXLIC ACID AMIDE OF THE FORMULA
Claim 2
Dependent Claim
7 words
A PHENYLALKYL-CARBOXLIC ACID AMIDE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |