US3227786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of jacketing telephone cables
Assignee: Ericsson Inc
•
Filing: 1962-10-25
•
Granted: 1966-01-04
•
Expires: 1982-10-25
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/10; H01B13/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF MAKING A TELEPHONE CABLE HAVING LOW CAPACITANCE UNBALANCE COMPRISING THE STEPS OF: (1) FORMING A CABLE CORE OF PLURALITY OF TWISTED PAIRS HAVING LOW CAPACITANCE UNBALANCE, (2) EXTRUDING AN OVERSIZED THERMOPLASTIC JACKET OVER SAID CORE WHILE (A) SIMULTANEOUSLY INTRODUCING PRESSURIZED GAS UNDER SAID JACKET, (B) SAID GAS ENTERING AND REMAINING BETWEEN THE PAIRS OF SAID CORE, (3) ADVANCING SAID CORE AT A SPEED SLIGHTLY GREATER THAN THE SPEED OF EXTRUSION OF SAID JACKET SO AS TO DRAW DOWN SAID JACKET,
Claim 2
Independent Claim
83 words
THE METHOD OF MAKING A TELEPHONE CABLE HAVING LOW CAPACITANCE UNBALANCE COMPRISING THE STEPS OF: (1) FORMING A CABLE CORE OF PLURALITY OF TWISTED PAIRS HAVING LOW CAPACITANCE UNBALANCE, (2) EXTRUDING AN OVERSIZED THERMOPLASTIC JACKET OVER SAID CORE WHILE (A) SIMULTANEOUSLY INTRODUCING PRESSURIZED GAS UNDER SAID JACKET, (B) SAID GAS ENTERING AND REMAINING BETWEEN THE PAIRS OF SAID CORE, (3) ADVANCING SAID CORE AT A SPEED SLIGHTLY GREATER THAN THE SPEED OF EXTRUSION OF SAID JACKET SO AS TO DRAW DOWN SAID JACKET,
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |