Patent US3135935A successfully refreshed from Google Patents.
US3135935A
Expired / Lapsed
US
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Transmission line and method of making
Assignee: AT&T Inc
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Filing: 1962-10-02
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Granted: 1964-06-02
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Expires: 1982-10-02
Abstract
No abstract record available.
Inventors
- 👤 Rudolf S Eugelbrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:07
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/085; H01B; H01B13/00; H01B13/016; H01P11/00; H01P11/001; H01P11/003; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T29/49837; Y10T29/49972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A HIGH FREQUENCY ELECTRICAL TRANSMISSION LINE COMPRISING FIRST AND SECOND PLANAR THIN OUTER CONDUCTING MEMBERS LYING IN SPACED PARALLEL PLANES, A THIRD THIN PLANAR CONDUCTING MEMBER IN THE SPACE BETWEEN SAID FIRST AND SECOND MEMBERS, MEANS FOR MAINTAINING SAID THIRD PLANAR CONDUCTING MEMBER IN FIXED PARALLEL INSULATING RELATIONSHIP WITH SAID FIRST AND SECOND MEMBERS, SAID MEANS COMPRISING DIELECTRIC MATERIAL IN THE SPACE BETWEEN SAID FIRST AND SECOND MEMBERS, AND MEANS FOR FORMING
Claim 2
Dependent Claim
72 words
A HIGH FREQUENCY ELECTRICAL TRANSMISSION LINE COMPRISING FIRST AND SECOND PLANAR THIN OUTER CONDUCTING MEMBERS LYING IN SPACED PARALLEL PLANES, A THIRD THIN PLANAR CONDUCTING MEMBER IN THE SPACE BETWEEN SAID FIRST AND SECOND MEMBERS, MEANS FOR MAINTAINING SAID THIRD PLANAR CONDUCTING MEMBER IN FIXED PARALLEL INSULATING RELATIONSHIP WITH SAID FIRST AND SECOND MEMBERS, SAID MEANS COMPRISING DIELECTRIC MATERIAL IN THE SPACE BETWEEN SAID FIRST AND SECOND MEMBERS, AND MEANS FOR FORMING
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |