Patent US3223564A successfully refreshed from Google Patents.
US3223564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of polytetrafluoroethylene insulated wires
Assignee: Tensolite Insulated Wire Co Inc
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Filing: 1962-01-22
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Granted: 1965-12-14
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Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Francis X Buschman
- 👤 Charles J Beran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:21
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/08; B; B29; B29C; B29C63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR COVERING AN ELONGATED BODY WITH A POLYTETRAFLUOROETHYLENE RESINOUS COVERING WHICH INCLUDES COATING ONE SIDE OF A TAPE OF SINTERED POLYTETRAFLUOROETHYLENE RESIN WITH AN AQUEOUS DISPERSION OF FINELY DIVIDED, UNCURED POLYTETRAFLUOROETHYLENE RESIN AND OF POLYISOBUTYLENE AS A VOLATILE VISCOSITY MODIFIER, DRYING SAID COATING, PARALLEL WRAPPING SAID COATED TAPE IN A GENERALLY SPIRALLY OVERLAPPING RELATION OVER SAID ELONGATED BODY WITH SAID COATED SIDE OF SAID TAPE FACDING SAID BODY, HEATING SAID TAPE AND APPLY PRESSURE THERETO WHILE WRAPPING SAID TAPE OVER SAID ELONGATED BODY TO CAUSE SAID POLYTETRAFLUOROETHYLENE IN SAID TAPE AND COATING TO FUSE TOGETHER IN SAID SPIRAL RELATIONSHIP OVER SAID ELONGATED BODY, AND THEREAFTER COOLING SAID TAPE TO SET SAID TAPE IN SAID SPIRAL RELATIONSHIP ABOUT SAID ELONGATED BODY.
Claim 2
Dependent Claim
122 words
A PROCESS FOR COVERING AN ELONGATED BODY WITH A POLYTETRAFLUOROETHYLENE RESINOUS COVERING WHICH INCLUDES COATING ONE SIDE OF A TAPE OF SINTERED POLYTETRAFLUOROETHYLENE RESIN WITH AN AQUEOUS DISPERSION OF FINELY DIVIDED, UNCURED POLYTETRAFLUOROETHYLENE RESIN AND OF POLYISOBUTYLENE AS A VOLATILE VISCOSITY MODIFIER, DRYING SAID COATING, PARALLEL WRAPPING SAID COATED TAPE IN A GENERALLY SPIRALLY OVERLAPPING RELATION OVER SAID ELONGATED BODY WITH SAID COATED SIDE OF SAID TAPE FACDING SAID BODY, HEATING SAID TAPE AND APPLY PRESSURE THERETO WHILE WRAPPING SAID TAPE OVER SAID ELONGATED BODY TO CAUSE SAID POLYTETRAFLUOROETHYLENE IN SAID TAPE AND COATING TO FUSE TOGETHER IN SAID SPIRAL RELATIONSHIP OVER SAID ELONGATED BODY, AND THEREAFTER COOLING SAID TAPE TO SET SAID TAPE IN SAID SPIRAL RELATIONSHIP ABOUT SAID ELONGATED BODY.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |