PATENT COVER GRAPHIC


United States Patent 2,984,740
May 16, 1961

Portable Radio
Glen R. Madland
Dominic Errichiello


Filed December 14, 1956
Image of US PATENT 2,984,740

Abstract of the Disclosure

This invention relates to new and useful improvements in portable electronic equipment and more particularly to a portable radio transmitter-receiver assembly.
Figure descriptions: cover graphic

  • Figure 1 is a view of a man carrying the portable radio transmitter-receiver assembly of this invention.
  • Figure 2 is an exploded view of the portable radio transmitter-receiver assembly with a power unit assembly removed from the base, and the casing removed from the cover to show the transmitter-receiver assembly mounted thereon.
  • Figure 3 is an end perspective view of the portable radio transmitter-receiver assembly with the cover removed and the individual chassis members unfolded from one another for servicing.
  • Figure 4 is an end view of the portable radio transmitter-receiver assembly with the power unit and casing removed and showing the hinged construction which permits the unfolding of individual chassis members from each other.
  • Figure 5 is an end view of a portable radio transmitter-receiver assembly having additional components pivotally connected thereon.

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888,716 05/1908 Lively 1,010,949 12/1911 Polyerino 1,360,532 10/1920 Issaes et al. 1,521,650 01/1925 Rudolph 2,268,619 01/1942 Reid 2,300,644 11/1942 Boyd
National Museum of American History
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