Patent US2914552A successfully refreshed from Google Patents.
US2914552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-diloweralkylamino-alkoxy-3-methyl-benzoic acid esters
Assignee: Schenley Industries Inc
•
Filing: 1958-01-13
•
Granted: 1959-11-24
•
Expires: 1978-01-13
Abstract
No abstract record available.
Inventors
- 👤 Hiltmann Rudolf
- 👤 Mietzsch Fritz
- 👤 Kaemmerer Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:37
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
13 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
CH137144A
Cited
US2810719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |