US2607775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylpyridine-mercaptan adducts
Assignee: EIDP Inc
•
Filing: 1945-08-04
•
Granted: 1952-08-19
•
Expires: 1965-08-04
Abstract
No abstract record available.
Inventors
- 👤 Vinton William Howells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:35
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/28; C07D213/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
2-BENZYLTHIOETHYLPYRIDINE
Claim 2
Dependent Claim
1 words
2-BENZYLTHIOETHYLPYRIDINE
References Cited (Backward Citations)
US1367898A
Cited
US1672253A
Cited
US1825662A
Cited
US2352435A
Cited
US2398479A
Cited
US2409806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |