Patent US3117149A successfully refreshed from Google Patents.
US3117149A
Expired / Lapsed
US
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Unsymmetrical poly (arylenesiloxane) fluids
Assignee: General Electric Co
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Filing: 1961-12-14
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Granted: 1964-01-07
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Expires: 1981-12-14
Abstract
No abstract record available.
Inventors
- 👤 Norman G Holdstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:53
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08G77/52; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AN ACID-EQUILIBRATED ORGANOPOLYSILOXANE FLUID CHAINSTOPPED WITH TRIORGANOSILOXANE UNITS OF THE FORMULA
Claim 2
Dependent Claim
11 words
AN ACID-EQUILIBRATED ORGANOPOLYSILOXANE FLUID CHAINSTOPPED WITH TRIORGANOSILOXANE UNITS OF 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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |