US2596967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing organosilicon compounds
Assignee: Westinghouse Electric Corp
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Filing: 1948-11-19
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Granted: 1952-05-20
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Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:49
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
AN ORGANOSILICON COMPOUND WITH FLUORINE IN THE ORGANIC GROUPS COMPRISING THE COPOLYMER REACTION PRODUCT DERIVED BY HEATING TO COPOLYMERIZATION (A) ONE MOLE OF AN ALKENYL SILANE COMPOUND HAVING THE UNIT FORMULA
References Cited (Backward Citations)
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US2468664A
Cited
US2469154A
Cited
US9462345B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |