US3265969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage probe apparatus with a plurality of discharge tube isolating spark gaps therein
Assignee: IPA ANSTALT
•
Filing: 1961-04-17
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Granted: 1966-08-09
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Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Catu Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:27
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/145; G01R19/155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A VOLTAGE DETECTING APPARATUS COMPRISING A FIRST CONTACT MEMBER, A FIRST PAIR OF SPACED ELECTRODES FORMING A FIRST SPARK GAP, A DISCHARGE TUBE, A SECOND PAIR OF SPACED ELECTRODES FORMING A SECOND SPARK GAP, A CONNECTING CONDUCTOR, AND A SECOND CONTACT MEMBER ALL CONNECTED IN SERIES WITH EACH OTHER, SAID DISCHARGE TUBE BEING CONNECTED BETWEEN SAID FIRST AND SECOND PAIRS OF ELECTRODES, ONE ELECTRODE OF EACH OF THE SAID PAIRS OF RESPECTIVE PAIR, WITH RESPECT TO THE OTHER ELECTRODE OF THE RESPECTIVE PAIR, AND MEANS COUPLED TO EACH PAIR OF ELECTRODES FOR JOINTLY DISPLACING THE DISPLACEABLE ELECTRODES OF THE TWO PAIRS.
Claim 2
Dependent Claim
101 words
A VOLTAGE DETECTING APPARATUS COMPRISING A FIRST CONTACT MEMBER, A FIRST PAIR OF SPACED ELECTRODES FORMING A FIRST SPARK GAP, A DISCHARGE TUBE, A SECOND PAIR OF SPACED ELECTRODES FORMING A SECOND SPARK GAP, A CONNECTING CONDUCTOR, AND A SECOND CONTACT MEMBER ALL CONNECTED IN SERIES WITH EACH OTHER, SAID DISCHARGE TUBE BEING CONNECTED BETWEEN SAID FIRST AND SECOND PAIRS OF ELECTRODES, ONE ELECTRODE OF EACH OF THE SAID PAIRS OF RESPECTIVE PAIR, WITH RESPECT TO THE OTHER ELECTRODE OF THE RESPECTIVE PAIR, AND MEANS COUPLED TO EACH PAIR OF ELECTRODES FOR JOINTLY DISPLACING THE DISPLACEABLE ELECTRODES OF THE TWO PAIRS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |