US3812283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure resistant cable
Assignee: Radio Frequency Systems Inc
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Filing: 1973-04-02
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Granted: 1974-05-21
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Expires: 1993-04-02
Abstract
Abstract A land lines communication cable system resistant to shock pressures comprises an integral tensile unit wherein tensile tapes covering the cable lengths are secured to splice cases, and an integral compressive unit wherein a plurality of both cable lengths and splice boxes are filled with an intercommunicating incompressible pasty composition.
Inventors
- 👤 E Kothe
- 👤 L Ebel
- 👤 Ascoli R D
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:57
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/10; H01; H01B; H01B11/00; H01B11/02; H01B11/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
The cable of claim 1 wherein said sheath and said jackets comprise polyethylene.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |