US3325434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polytetrafluoroethylene-silicone rubber extrusion composition
Assignee: General Electric Co
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Filing: 1965-04-27
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Granted: 1967-06-13
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Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Paul R Tully
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; B; B29; B29C; B29C48/00; B29C48/022; C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; B29C48/03; B29C48/05; B29C48/06; B29C48/07; B29C48/08; B29C48/09; B29K; B29K2027/00; B29K2027/12; B29K2027/18
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
AN EXTRUDABLE POLYTETRAFLUOROETHYLENE COMPOSITION CONTAINING A CURABLE COMPONENT COMPRISING COAGULATED AQUEOUS COLLOIDAL POLYTETRAFLUOROETHYLENE SUSPENSION, FROM 0.6% TO 12.5% BY WEIGHT OF THE POLYTETRAFLUOROETHYLENE PRESENT OF UNCURED SILICONE RUBBER IN WHICH THERE IS INCORPORATED A CURING AGENT, AND 12% TO 22.5% BY WEIGHT OF THE POLYTETRAFLUOROETHYLENE PRESENT OF AN ORGANIC LUBRICANT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |