Patent US3720747A successfully refreshed from Google Patents.
US3720747A
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US
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Process for color coding tfe insulated cables
Assignee: Champlain Cable Corp
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Filing: 1970-09-01
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Granted: 1973-03-13
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Expires: 1990-09-01
Abstract
Abstract A TFE EXTRUSION PREFORM IS MADE UP OF A PLURALITY OF COLORED SECTIONS CORRESPONDING TO THE SAME NUMBER OF WIRES WHICH ARE TO BE INSULATED. THE PREFORM IS ARRANGED SUCH THAT EACH COLORED SECTION WILL COVER A CONDUCTOR WIRE UPON EXTRUSION. THE RESULTANT PRODUCT IS A MULTI-CONDUCTOR CABLE WITH THE INSULATION OF EACH CONDUCTOR INTEGRAL WITH THE INSULATION OF THE OTHER CONDUCTOR BUT OF DIFFERENT COLORS FOR COLOR CODING (IDENTIFICATION). MODIFICATIONS OF THIS IDEA ARE ALSO DISCLOSED WHEREBY COLOR CODING IS EFFECTED BY DIFFERENT COLORED STRIPES RATHER THAN UTILIZING THE VARIOUS COLORS OF INSULATION.
Inventors
- 👤 R Anderson
- 👤 A Perreault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/16; B29C48/18; B29C48/20; B29C48/022; B29C48/19; B29C48/03; B29C48/05; B29C48/06; B29K; B29K2027/00; B29K2027/12; B29K2027/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |