发明授权
US3524100A Dual-voltage automatic-switching electric lamp having a two-position thermal switch disposed within the envelope 失效
具有双重位置热开关的双电压自动切换电动灯

  • 专利标题: Dual-voltage automatic-switching electric lamp having a two-position thermal switch disposed within the envelope
  • 专利标题(中): 具有双重位置热开关的双电压自动切换电动灯
  • 申请号: US3524100D
    申请日: 1968-05-20
  • 公开(公告)号: US3524100A
    公开(公告)日: 1970-08-11
  • 发明人: BLAIR JOHNNY E
  • 申请人: JOHNNY E BLAIR
  • 专利权人: Johnny E Blair
  • 当前专利权人: Johnny E Blair
  • 优先权: US73040768 1968-05-20
  • 主分类号: H01K1/64
  • IPC分类号: H01K1/64 H01J7/44 H01J19/78
Dual-voltage automatic-switching electric lamp having a two-position thermal switch disposed within the envelope
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