US3067357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric discharge lamp electrode
Assignee: General Electric Co
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Filing: 1960-09-21
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Granted: 1962-12-04
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Expires: 1980-09-21
Abstract
No abstract record available.
Inventors
- 👤 Elmer G Fridrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:01
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/04; H01J61/06; H01J61/073; H01J61/0732
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A GASEOUS ELECTRIC DISCHARGE DEVICE COMPRISING A HERMETICALLY SEALED ENVELOPE OF REFRACTORY INSULATING MATERIAL, A PAIR OF TUNGSTEN ELECTRODES PROJECTING INTO SAID ENVELOPE, AN IONOZABLE MEDIUM IN SAID ENVELOPED INCLUDING MEANS PROVIDING IDOINE VAPOR IN OPERATION OF SAID DEVICE, SAID ELECTRODES BEING CORRELATED IN HEAT-DISSIPATING CAPACITY TO THE ENERGY LOADING OF SAID DEVICE WHEREBY TO OPERATE WITH MOLTEN TIPS AND THE IODINE VAPOR SERVING TO REGENERATE AT THE ELECTRODES METAL LOST THEREFROM.
Claim 2
Dependent Claim
72 words
A GASEOUS ELECTRIC DISCHARGE DEVICE COMPRISING A HERMETICALLY SEALED ENVELOPE OF REFRACTORY INSULATING MATERIAL, A PAIR OF TUNGSTEN ELECTRODES PROJECTING INTO SAID ENVELOPE, AN IONOZABLE MEDIUM IN SAID ENVELOPED INCLUDING MEANS PROVIDING IDOINE VAPOR IN OPERATION OF SAID DEVICE, SAID ELECTRODES BEING CORRELATED IN HEAT-DISSIPATING CAPACITY TO THE ENERGY LOADING OF SAID DEVICE WHEREBY TO OPERATE WITH MOLTEN TIPS AND THE IODINE VAPOR SERVING TO REGENERATE AT THE ELECTRODES METAL LOST THEREFROM.
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) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |