US2516402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoromethylpyridines
Assignee: Purdue Research Foundation
•
Filing: 1945-09-04
•
Granted: 1950-07-25
•
Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Earl T Mcbee
- 👤 Ernest M Hodnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:48
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/61; C07D213/24; C07D213/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
7 words
A FLUOROMETHYLPYRIDINE HAVING THE FOLLOWING STRUCTURAL 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) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |