US2854455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-(2-trichlorosilylethyl) pyridines
Assignee: Reilly Tar and Chemical Corp
•
Filing: 1957-06-24
•
Granted: 1958-09-30
•
Expires: 1977-06-24
Abstract
No abstract record available.
Inventors
- 👤 Francis E Cislak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:15
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
4-(2-TRICHLOROSILYLETHYL)PYRIDINES HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
5 words
4-(2-TRICHLOROSILYLETHYL)PYRIDINES HAVING 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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |