Patent US2762812A successfully refreshed from Google Patents.
US2762812A
Expired / Lapsed
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Arylcycloalkenyl-tertiary-aminoalkyl acetonitriles
Assignee: STWB Inc
•
Filing: 1952-08-05
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Granted: 1956-09-11
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Archer Sydney
- 👤 Ruddy Arlo Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:43
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/14; C07D295/145; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASIC NITRILES OF THE FORMULA
Claim 2
Dependent Claim
13 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF BASIC NITRILES OF THE FORMULA
References Cited (Backward Citations)
US2446804A
Cited
US2542466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |