Patent DE9007356U1 successfully refreshed from Google Patents.
Patent US3166688A successfully refreshed from Google Patents.
US3166688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polytetrafluoroethylene tubing having electrically conductive properties
Assignee: Individual
•
Filing: 1962-11-14
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Granted: 1965-01-19
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Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Ronald P Rowand
- 👤 Jr Harry William La Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:23
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/0054; H01B1/00; Y; Y10; Y10S; Y10S260/00; Y10S260/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A TUBE OF POLYTETRAFLUOROETHYLENE AND THE LIKE FOR CONDUCTING FLUIDS UNDER PRESSURE AND INCLUDING MEANS FOR DISCHARGE OF INTERNAL STATIC ELECTRICITY TO THE ENDS OF THE TUBE AND GROUNDING THE SAME FROM THE TUBE INTERIOR AT SAID ENDS IN ORDER TO MAINTAIN THE POLYTETRAFLUOROETHYLENE TUBING PERFORMANCE CHARACTERISTICS, SAID TUBING HAVING AN INTEGRAL POLYTETRAFLUOROETHYLENE WALL STRUCTURE WITH AN INTERIOR LINER PORTION OF A SUBSTANTIALLY ANNULAR CONFORMATION FROM END TO END AND HAVING A UNIFORM DISPERSION OF ELECTRICALLY CONDUCTIVE PARTICLES EMBEDDED THEREIN, THE
Claim 2
Dependent Claim
81 words
A TUBE OF POLYTETRAFLUOROETHYLENE AND THE LIKE FOR CONDUCTING FLUIDS UNDER PRESSURE AND INCLUDING MEANS FOR DISCHARGE OF INTERNAL STATIC ELECTRICITY TO THE ENDS OF THE TUBE AND GROUNDING THE SAME FROM THE TUBE INTERIOR AT SAID ENDS IN ORDER TO MAINTAIN THE POLYTETRAFLUOROETHYLENE TUBING PERFORMANCE CHARACTERISTICS, SAID TUBING HAVING AN INTEGRAL POLYTETRAFLUOROETHYLENE WALL STRUCTURE WITH AN INTERIOR LINER PORTION OF A SUBSTANTIALLY ANNULAR CONFORMATION FROM END TO END AND HAVING A UNIFORM DISPERSION OF ELECTRICALLY CONDUCTIVE PARTICLES EMBEDDED THEREIN, THE
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) | 1968-01-19 | 1968-07-20 | 1969-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-19 | 1972-07-20 | 1973-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-19 | 1976-07-20 | 1977-01-19 | $7700.00 | Window Closed / Lapsed |