US3283265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting and appraising signals on cables
Assignee: Individual
•
Filing: 1965-03-16
•
Granted: 1966-11-01
•
Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Otmar E Ringelhaan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:08
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
AN INDUCTIVE SIGNAL PICK-UP DEVICE COMPRISING A COAXIAL TRANSMISSION CABLE, A FERROMAGNETIC CORE OF LOOP CONFIGURATION, SAID CABLE PASSING THROUGH SAID CORE, MEANS COUPLED TO SAID CABLE AND SAID CORE FOR INDUCING FLUXES IN SAID CORE WHICH ARE EQUAL AND OPPOSITE TO THE FLUXES INDUCED IN SAID CORE BY SIGNALS ON THE OUTER CONDUCTOR OF SAID COAXIAL CABLE, AN OUTPUT COIL COUPLED TO SAID CORE, AND AN OUTPUT DEVICE CONNECTED TO SAID COIL.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |