US2914533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary-aminoalkyl n-(pyridyl)carbamates and their preparation
Assignee: STWB Inc
•
Filing: 1956-11-13
•
Granted: 1959-11-24
•
Expires: 1976-11-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond O Clinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:40
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
12 words
COMPOSITIONS SELECTED FROM THE GROUP CONSISTING OF (A) ESTERS HAVING THE FORMULA
Claim 2
Dependent Claim
12 words
COMPOSITIONS SELECTED FROM THE GROUP CONSISTING OF (A) ESTERS HAVING THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND HAVING 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) | 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 |