US3229146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark gap device with a control electrode intermediate the main electrodes
Assignee: Bendix Corp
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Filing: 1961-10-02
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Granted: 1966-01-11
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Irving E Linkroum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:22
CPC Classifications
H; H01; H01J; H01J17/00; H01J2893/00; H01J2893/0059
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A SPARK GAP DEVICE TWO AXIALLY ALIGNED INSULATING TUBES, A METALLIC CENTER PLATE INTERPOSED BETWEEN AND SEALED TO ADJACENT ENDS OF SAID TUBES, TWO METALLIC END PLATES EXTENDING ACROSS AND SEALED TO THE REMOTE ENDS OF SAID TUBES, EACH OF SAID PLATES HAVING A CENTRAL PASSAGE THEREIN, END ELECTRODES SUPPORTED BY AND EXTENDING INWARDLY TOWARD EACH OTHER FROM SAID END PLATES, SAID ELECTRODES COMPRISING STEM PORTIONS FILLING THE PASSAGES IN AND SEALED TO SAID END PLATES, AND ELECTRODE MEANS ON SAID CENTER PLATE COMPRISING RINGS SECURED TO OPPOSITE FACES OF SAID CENTER PLATE CONCENTRIC WITH THE PASSAGE THERETHROUGH AND IN SPARK GAP RELATION WITH THE INNER ENDS OF SAID ELECTRODES.
Claim 2
Dependent Claim
111 words
IN A SPARK GAP DEVICE TWO AXIALLY ALIGNED INSULATING TUBES, A METALLIC CENTER PLATE INTERPOSED BETWEEN AND SEALED TO ADJACENT ENDS OF SAID TUBES, TWO METALLIC END PLATES EXTENDING ACROSS AND SEALED TO THE REMOTE ENDS OF SAID TUBES, EACH OF SAID PLATES HAVING A CENTRAL PASSAGE THEREIN, END ELECTRODES SUPPORTED BY AND EXTENDING INWARDLY TOWARD EACH OTHER FROM SAID END PLATES, SAID ELECTRODES COMPRISING STEM PORTIONS FILLING THE PASSAGES IN AND SEALED TO SAID END PLATES, AND ELECTRODE MEANS ON SAID CENTER PLATE COMPRISING RINGS SECURED TO OPPOSITE FACES OF SAID CENTER PLATE CONCENTRIC WITH THE PASSAGE THERETHROUGH AND IN SPARK GAP RELATION WITH THE INNER ENDS OF SAID ELECTRODES.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |