Solar radiation measuring apparatus

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Description

FIG. 1 is a perspective view of the solar radiation measuring apparatus showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof; and

FIG. 4 is a right side elevation view thereof.

Referenced Cited
U.S. Patent Documents
2343891 March 1944 Dieffenbach
3504552 April 1970 Hiller
Foreign Patent Documents
1083069 June 1960 DEX
368304 February 1939 ITX
Other references
  • Retailing Home Furnishings, Apr. 18, '77, p. 54, Environmental Sound Ltd., EST 4 Turntable.
Patent History
Patent number: D256440
Type: Grant
Filed: Sep 29, 1977
Date of Patent: Aug 19, 1980
Assignee: Devices & Services Company (Dallas, TX)
Inventors: Thomas S. Ashley, III (Dallas, TX), Harold A. Blum (Dallas, TX), Charles S. Moore (Dallas, TX)
Primary Examiner: George G. Stellar
Attorney: D. Carl Richards
Application Number: 5/837,919