Patent US3250934A successfully refreshed from Google Patents.
US3250934A
Expired / Lapsed
US
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Electric discharge device having heat conserving shields and sleeve
Assignee: GTE Sylvania Inc
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Filing: 1963-11-22
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Granted: 1966-05-10
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Expires: 1983-11-22
Abstract
No abstract record available.
Inventors
- 👤 Carl L Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:33
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/52; H01J61/30; H01J61/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A HIGH PRESSURE ELECTRIC DISCHARGE DEVICE COMPRISING: AN ARC TUBE CONTAINING A HALIDE AND AN ARC FORMING METAL DISPOSED WITHIN AN OUTER BULBOUS ENVELOPE, SAID ARC TUBE HAVING PRESS SEALS AT EITHER END THEREOF; AN ARC TUBE HARNESS DISPOSED WITHIN SAID ENVELOPE; A PAIR OF PLATES DISPOSED UPON SAID HARDNESS; A GLASS SLEEVE DISPOSED BETWEEN SAID PLATES AND ABOUT SAID ARC TUBE; MEANS FORMING AN APERTURE IN EACH OF SAID PLATES, SAID PRESS-SEALS EXTENDING THROUGH SAID APERTURE; A SERIES OF TABS DISPOSED UPON EACH OF SAID PLATES PROJECTING INWARDLY INTO THE INTERIOR OF SAID SLEEVE, SAID SLEEVE RESTING UPON SAID TABS AND BEING SUPPORTED THEREBY TO FORM A HEAT ENTRAPPING CHAMBER ABOUT SAID ARC TUBE AND BETWEEN SAID PLATES.
Claim 2
Dependent Claim
119 words
A HIGH PRESSURE ELECTRIC DISCHARGE DEVICE COMPRISING: AN ARC TUBE CONTAINING A HALIDE AND AN ARC FORMING METAL DISPOSED WITHIN AN OUTER BULBOUS ENVELOPE, SAID ARC TUBE HAVING PRESS SEALS AT EITHER END THEREOF; AN ARC TUBE HARNESS DISPOSED WITHIN SAID ENVELOPE; A PAIR OF PLATES DISPOSED UPON SAID HARDNESS; A GLASS SLEEVE DISPOSED BETWEEN SAID PLATES AND ABOUT SAID ARC TUBE; MEANS FORMING AN APERTURE IN EACH OF SAID PLATES, SAID PRESS-SEALS EXTENDING THROUGH SAID APERTURE; A SERIES OF TABS DISPOSED UPON EACH OF SAID PLATES PROJECTING INWARDLY INTO THE INTERIOR OF SAID SLEEVE, SAID SLEEVE RESTING UPON SAID TABS AND BEING SUPPORTED THEREBY TO FORM A HEAT ENTRAPPING CHAMBER ABOUT SAID ARC TUBE AND BETWEEN SAID PLATES.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |