Title:
Method and apparatus for making vacuum enclosures
Document Type and Number:
United States Patent 2868610

Inventors:
Beggs, James E.
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Sponsored by:
Flash of Genius
Publication Date:
01/13/1959
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Assignee:
GEN ELECTRIC
Primary Class:
445/33
Other Classes:
313/250, 313/558, 313/285, 445/51, 313/272, 445/40
International Classes:
C04B37/00; C04B37/02; H01J5/26; H01J9/40; H01J5/00; H01J9/00
US Patent References:
2098030Machine for manufacturing incandescent lamps
2133492Method for manufacturing vacuum vessels
2162209Lamp sealing-in and exhausting machine
2621996Method of making ultrahigh frequency electron discharge device
2647218Ceramic electron tube
2731578Electron tube
2792271Method of making electric discharge device


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