Patent US3331023A successfully refreshed from Google Patents.
US3331023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensing and measuring device for high voltage power lines
Assignee: Sigma Instruments Inc
•
Filing: 1964-03-09
•
Granted: 1967-07-11
•
Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Harold T Adkins
- 👤 Robert H Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:50
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
235 words
A DEVICE, FOR CONVERTING THE MAGNETIC ENERGY OF THE CURRENT IN A CONTINUOUS AND UNBROKEN HIGH VOLTAGE POWER LINE CONDUCTOR INTO A SIGNAL, COMPRISING: AN ELONGATED HOLLOW INSULATOR BODY HAVING A FLUID-FILLED SPACE EXTENDING THERETHROUGH BETWEEN OPPOSITE ENDS OF SAID BODY, SAID ELONGATED HOLLOW INSULATOR BODY HAVING A FIRST CAP MEMBER FITTED ON AN OUTER END FORMING A SUPPORT SURFACE TO SUPPORT SAID CONTINUOUS AND UNBROKEN HIGH VOLTAGE POWER LINE CONDUCTOR EXTENDING TRANSVERSELY OF SUCH OUTER END WHEREBY SAID BODY SERVES AS A PERMANENT INSULATING SUPPORT FOR THE CONDUCTOR, A PAIR OF MAGNETICALLY PERMEABLE POLE PIECES MOUNTED ADJACENT SAID CAP MEMBER, A MAGNETICALLY PERMEABLE FIRST FLEXIBLE ARMATURE MOUNTED FOR VIBRATION ADJACENT SAID CAP MEMBER AND HAVING ONE SURFACE THEREOF COMMUNICATING WITH SAID SPACE, SAID ARMATURE BEING VIBRATED BY A CHANGING MAGNETIC FIELD WHICH ENCOMPASSES THE SUPPORTED LINE CONDUCTOR AND EXTENDS THROUGH SAID POLE PIECES AND ARMATURE, A SECOND FLEXIBLE ARMATURE MOUNTED AT THE OTHER END OF SAID INSULATOR BODY AND HAVING ONE FACE THEREOF IN COMMUNICATION WITH SAID SPACE, ELONGATED AND SUBSTANTIALLY RECTILINEAR MECHANICAL MEANS EXTENDING SUBSTANTIALLY CENTRALLY LONGITUDINALLY THROUGH SAID SPACE AND MECHANICALLY INTERCONNECTING SAID ARMATURES FOR CONJOINT VIBRATION, SAID SECOND ARMATURE BEING VIRBATED BY THE VIBRATION OF SAID FIRST ARMATURE AS VIBRATIONS THEREFROM ARE RECEIVED BY SAID SECOND ARMATURE WHEN TRANSMITTED THROUGH SAID MECHANICAL MEANS IN SAID FLUID-FILLED SPACE, AND MEANS RESPONSIVE TO THE VIBRATION OF SAID SECOND ARMATURE FOR PRODUCING A SIGNAL.
Claim 2
Independent Claim
235 words
A DEVICE, FOR CONVERTING THE MAGNETIC ENERGY OF THE CURRENT IN A CONTINUOUS AND UNBROKEN HIGH VOLTAGE POWER LINE CONDUCTOR INTO A SIGNAL, COMPRISING: AN ELONGATED HOLLOW INSULATOR BODY HAVING A FLUID-FILLED SPACE EXTENDING THERETHROUGH BETWEEN OPPOSITE ENDS OF SAID BODY, SAID ELONGATED HOLLOW INSULATOR BODY HAVING A FIRST CAP MEMBER FITTED ON AN OUTER END FORMING A SUPPORT SURFACE TO SUPPORT SAID CONTINUOUS AND UNBROKEN HIGH VOLTAGE POWER LINE CONDUCTOR EXTENDING TRANSVERSELY OF SUCH OUTER END WHEREBY SAID BODY SERVES AS A PERMANENT INSULATING SUPPORT FOR THE CONDUCTOR, A PAIR OF MAGNETICALLY PERMEABLE POLE PIECES MOUNTED ADJACENT SAID CAP MEMBER, A MAGNETICALLY PERMEABLE FIRST FLEXIBLE ARMATURE MOUNTED FOR VIBRATION ADJACENT SAID CAP MEMBER AND HAVING ONE SURFACE THEREOF COMMUNICATING WITH SAID SPACE, SAID ARMATURE BEING VIBRATED BY A CHANGING MAGNETIC FIELD WHICH ENCOMPASSES THE SUPPORTED LINE CONDUCTOR AND EXTENDS THROUGH SAID POLE PIECES AND ARMATURE, A SECOND FLEXIBLE ARMATURE MOUNTED AT THE OTHER END OF SAID INSULATOR BODY AND HAVING ONE FACE THEREOF IN COMMUNICATION WITH SAID SPACE, ELONGATED AND SUBSTANTIALLY RECTILINEAR MECHANICAL MEANS EXTENDING SUBSTANTIALLY CENTRALLY LONGITUDINALLY THROUGH SAID SPACE AND MECHANICALLY INTERCONNECTING SAID ARMATURES FOR CONJOINT VIBRATION, SAID SECOND ARMATURE BEING VIRBATED BY THE VIBRATION OF SAID FIRST ARMATURE AS VIBRATIONS THEREFROM ARE RECEIVED BY SAID SECOND ARMATURE WHEN TRANSMITTED THROUGH SAID MECHANICAL MEANS IN SAID FLUID-FILLED SPACE, AND MEANS RESPONSIVE TO THE VIBRATION OF SAID SECOND ARMATURE FOR PRODUCING A SIGNAL.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |