Patent US3346921A successfully refreshed from Google Patents.
US3346921A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrugated plastic covering for electrical cables
Assignee: Ericsson Inc
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Filing: 1966-03-11
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Granted: 1967-10-17
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Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Bunish Steve
- 👤 William A Beasley
- 👤 Ling Ting Hung
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:30
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/0015; B29C48/00; B29C48/03; B29C48/09; B29C48/13; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C53/00; B29C53/22; B29C53/30; B29C48/05; B29C48/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
AN APPARATUS FOR PROVIDING A FLEXIBLE PROTECTIVE COVERING IN AN ELECTRICAL CABLE WHICH COMPRISES: (A) A CONTINUOUSLY OPERATING EXTRUDER; (B) A CROSS HEAD HAVING THEREIN (I) A CENTRAL CYLINDRICAL BORE FOR RECEIVING A CONTINUOUS LENGTH OF SAID CABLE AT ONE END OF SAID BORE AND ALLOWING IT TO PASS THROUGH A GUIDE TIP AT THE OPPOSITE END OF SAID BORE, AND (II) A TUBING DIE SURROUNDING SAID BORE AND CONNECTED TO THE EXTRUDER FOR RECEIVING THE PLASTIC THEREFROM TO FORM AN EXTRUDED TUBING AROUND THE EMERGING CONDUCTOR FROM THE GUIDE TIP;
Claim 2
Independent Claim
91 words
AN APPARATUS FOR PROVIDING A FLEXIBLE PROTECTIVE COVERING IN AN ELECTRICAL CABLE WHICH COMPRISES: (A) A CONTINUOUSLY OPERATING EXTRUDER; (B) A CROSS HEAD HAVING THEREIN (I) A CENTRAL CYLINDRICAL BORE FOR RECEIVING A CONTINUOUS LENGTH OF SAID CABLE AT ONE END OF SAID BORE AND ALLOWING IT TO PASS THROUGH A GUIDE TIP AT THE OPPOSITE END OF SAID BORE, AND (II) A TUBING DIE SURROUNDING SAID BORE AND CONNECTED TO THE EXTRUDER FOR RECEIVING THE PLASTIC THEREFROM TO FORM AN EXTRUDED TUBING AROUND THE EMERGING CONDUCTOR FROM THE GUIDE TIP;
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |