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Patent US2966508A successfully refreshed from Google Patents.
US2966508A
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Carbon functional organo-siloxane dibasic acid halogen esters
Assignee: Cities Service Research and Development Co
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Filing: 1959-05-27
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Granted: 1960-12-27
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Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Paul M Kerschner
- 👤 Bertrand W Greenwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:15
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AS A NEW COMPOSITION OF MATTER A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
12 words
AS A NEW COMPOSITION OF MATTER A COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2691032A
Cited
US2710877A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |