US2982757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Styrenyl organosilicon monomers and polymers thereof
Assignee: Westinghouse Electric Corp
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Filing: 1955-10-20
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Granted: 1961-05-02
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Expires: 1975-10-20
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:27
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
A LINEAR ORGANOPOLYSILOXANE HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
A LINEAR ORGANOPOLYSILOXANE HAVING THE FORMULA
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |