US2604486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organo polysiloxane oils
Assignee: General Electric Co
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Filing: 1949-08-18
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Granted: 1952-07-22
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Expires: 1969-08-18
Abstract
No abstract record available.
Inventors
- 👤 Charles A Burkhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:53
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
LIQUID ORGANO-SUBSTITUTED POLYSILOXANES CONTAINING FROM 1.95 TO 2.3 SILICON-BONDED ORGANIC RADICALS PER SILICON ATOM, AND ORGANIC RADICALS BEING BONDED TO SILICON ATOMS THROUGH SILICONCARBON LINKAGES, FROM 1 TO 20 PERCENT OF SAID RADICALS BEING -(CH2)NSCH2COOR RADICALS WHEREIN N IS AN INTEGER FROM 2 TO 3 AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL RADICALS, THE REMAINING SILICONBONDED ORGANO RADICALS BEING SATURATED MONOVALENT HYDROCARBON RADICALS.
Claim 2
Dependent Claim
69 words
LIQUID ORGANO-SUBSTITUTED POLYSILOXANES CONTAINING FROM 1.95 TO 2.3 SILICON-BONDED ORGANIC RADICALS PER SILICON ATOM, AND ORGANIC RADICALS BEING BONDED TO SILICON ATOMS THROUGH SILICONCARBON LINKAGES, FROM 1 TO 20 PERCENT OF SAID RADICALS BEING -(CH2)NSCH2COOR RADICALS WHEREIN N IS AN INTEGER FROM 2 TO 3 AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ALKYL RADICALS, THE REMAINING SILICONBONDED ORGANO RADICALS BEING SATURATED MONOVALENT HYDROCARBON RADICALS.
References Cited (Backward Citations)
US2515857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |