Patent US3071561A successfully refreshed from Google Patents.
US3071561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyridine derivatives
Assignee: General Electric Co
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Filing: 1959-04-30
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Granted: 1963-01-01
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Expires: 1979-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ben A Bluestein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:03
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
BETA-PYRIDYLETHYLSILANES HAVING THE FORMULA
Claim 2
Dependent Claim
4 words
BETA-PYRIDYLETHYLSILANES HAVING THE FORMULA
Claim 3
Dependent Claim
6 words
AN ORGANOPOLYSILOXANE COMPOSITION CONSISTING ESSENTIALLY OF
Claim 4
Dependent Claim
6 words
AN ORGANOPOLYSILOXANE COMPOSITION CONSISTING ESSENTIALLY OF
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |