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US2559342A
Expired / Lapsed
US
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Organo-silicon compositions
Assignee: General Electric Co
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Filing: 1949-07-26
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Granted: 1951-07-03
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Expires: 1969-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles A Burkhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:57
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A COMPOSITION OF MATTER COMPRISING A COMPOUND CORRESPONDING TO THE GENERAL FORMULA RNSI(OCH2CH2OR'') 4-N WHERE R IS A MONOVALENT HYDROCARBON RADICAL, R'' IS AN ALKALY RADICAL CONTAINING FROM 1 TO 2 CARBON ATOMS, AND N IS AN INTEGER EQUAL TO FROM 1 TO 3.
Claim 2
Dependent Claim
44 words
A COMPOSITION OF MATTER COMPRISING A COMPOUND CORRESPONDING TO THE GENERAL FORMULA RNSI(OCH2CH2OR'') 4-N WHERE R IS A MONOVALENT HYDROCARBON RADICAL, R'' IS AN ALKALY RADICAL CONTAINING FROM 1 TO 2 CARBON ATOMS, AND N IS AN INTEGER EQUAL TO FROM 1 TO 3.
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) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |