US3365357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making twinned pulp insulated conductors
Assignee: AT&T Inc
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Filing: 1965-04-21
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Granted: 1968-01-23
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Christopher J Krogel
- 👤 Axel C Nystrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:53
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/36; H01B13/00; H01B13/06; H01B13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
THE METHOD OF MAKING TWINNED INSULATED ELECTRICAL CONDUCTORS COMPRISING THE STEPS OF: APPLYING INSULATING MATERIAL ABOUT A FIRST CONDUCTOR, APPLYING INSULATING MATERIAL ABOUT A SECOND CONDUCTOR WITH AN EXCESS PORTION EXTENDING THEREFROM, AND WRAPPING THE EXCESS PORTION OF SAID INSULATING MATERIAL FIRST ABOUT THE SECOND CONDUCTOR AND THEREAFTER ABOUT THE INSULATED FIRST CONDUCTOR TO FORM A UNITARY COVERING OF INSULATING MATERIAL ABOUT THE TWO CONDUCTORS.
Claim 2
Independent Claim
65 words
THE METHOD OF MAKING TWINNED INSULATED ELECTRICAL CONDUCTORS COMPRISING THE STEPS OF: APPLYING INSULATING MATERIAL ABOUT A FIRST CONDUCTOR, APPLYING INSULATING MATERIAL ABOUT A SECOND CONDUCTOR WITH AN EXCESS PORTION EXTENDING THEREFROM, AND WRAPPING THE EXCESS PORTION OF SAID INSULATING MATERIAL FIRST ABOUT THE SECOND CONDUCTOR AND THEREAFTER ABOUT THE INSULATED FIRST CONDUCTOR TO FORM A UNITARY COVERING OF INSULATING MATERIAL ABOUT THE TWO CONDUCTORS.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |