US3573976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making coaxial cable
Assignee: United Carr Inc
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Filing: 1967-11-17
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Granted: 1971-04-06
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Expires: 1987-11-17
Abstract
Abstract THIS INVENTION IS DIRECTED AT A COAXIAL CABLE, AND PARTICULARLY, AT A COAXIAL CABLE USING A SYNTACTIC FOAM CONTAINING GLASS, SILICA OR CERAMIC MICROSPHERES AS THE DIELECTRIC MEDIUM BETWEEN THE CENTRAL AND OUTER CONDUCTORS.
Inventors
- 👤 Jerome J Duane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/06; H01B13/067; B; B29; B29C; B29C70/00; B29C70/58; B29C70/66; H01B11/00; H01B11/18; H01B11/1834; H01B13/14; H01B3/00; H01B3/18; H01B3/48; H01B3/485; B29K; B29K2105/00; B29K2105/06; B29K2105/16; B29K2105/165; B29L; B29L2031/00; B29L2031/34; B29L2031/3462; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2944; Y10T428/2949
Claims Analysis
Total Claims: 0
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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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |