Vapor electric discharge lamp
First Claim
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1. A VAPOR ELECTRIC DISCHARGE LAMP COMPRISING AN ENVELOPE OF LIGHT TRANSMISSIVE HIGH TEMPERATURE GLASS HAVING A SUBSTANTIALLY SPHERICAL SHAPE, A PAIR OF ELECTRODES SPACED APART APPROXIMATELY ONE-FIFTH THE INNER DIAMETER OF THE ENVELOPE AND LESS THAN ONE CENTIMETER, SAID ENVELOPE CONTAINING SAID ELECTRODES AND A FILLING OF XENON GAS AT A PRESSURE IN EXCESS OF 2000 MILLIMETERS AND LESS THAN 11,000 MILLIMETERS AT 25* C. AND MERCURY BETWEEN 4.3X1019 AND 30X1019 MOLECULES PER MILLILITER OF ENVELOPE VOLUME.
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1 Claim
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1. A VAPOR ELECTRIC DISCHARGE LAMP COMPRISING AN ENVELOPE OF LIGHT TRANSMISSIVE HIGH TEMPERATURE GLASS HAVING A SUBSTANTIALLY SPHERICAL SHAPE, A PAIR OF ELECTRODES SPACED APART APPROXIMATELY ONE-FIFTH THE INNER DIAMETER OF THE ENVELOPE AND LESS THAN ONE CENTIMETER, SAID ENVELOPE CONTAINING SAID ELECTRODES AND A FILLING OF XENON GAS AT A PRESSURE IN EXCESS OF 2000 MILLIMETERS AND LESS THAN 11,000 MILLIMETERS AT 25* C. AND MERCURY BETWEEN 4.3X1019 AND 30X1019 MOLECULES PER MILLILITER OF ENVELOPE VOLUME.
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Current AssigneeWilliam T. Anderson Jr
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Original AssigneeWilliam T. Anderson Jr
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InventorsAnderson, William T. Jr.
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Application NumberUS03/229,971Time in Patent Office1,421 DaysField of SearchUS Class Current313/571CPC Class CodesH01J 61/20 mercury vapour
