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Method and apparatus for forming tubular electric lamps and similar devices

US 3,113,010 A · Inventors: WILLIS WINFIELD H et al.

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted December 3, 1963. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 3, 1980.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 19, 1958
GrantedDecember 3, 1963
Term endedDecember 3, 1980
Application number—
Classification (CPC)H01J9/40 +1 more
Length8 pages

Timeline

Timeline From USPTO dates

19591962196519681971197419771980Application filedJune 19, 1958Patent grantedDec 3, 1963Term endedDec 3, 1980

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