US2816113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl pyridinium salt, 2-carboxaldehyde oximes and process of preparation
Assignee: Individual
•
Filing: 1956-07-10
•
Granted: 1957-12-10
•
Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Irwin B Wilson
- 👤 Ginsburg Sara
- 👤 Nachmansohn David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:11
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/44; C07D213/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
AS A NEW COMPOSITION OF MATTER, A NEW CLASS OF OXIMES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
15 words
AS A NEW COMPOSITION OF MATTER, A NEW CLASS OF OXIMES OF THE GENERAL 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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |