Decorative acoustical panel

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Description

FIG. 1 is a pictorial view of the decorative acoustical panel of the present invention.

FIG. 2 is a plan view of the decorative acoustical panel shown in FIG. 1.

FIG. 3 is an elevation of one side of the decorative acoustical panel of the present invention.

FIG. 4 is an elevation of another side of the decorative acoustical panel of the present invention.

Referenced Cited
U.S. Patent Documents
2870439 January 1959 Stinehelter
3146498 September 1964 Eckel
3786898 January 1974 Fujii
Other references
  • Charles Industries Corp. pamphlet, received in PTO, Jul. 1, 1975, p. 5, Sonex panels.
Patent History
Patent number: D249367
Type: Grant
Filed: Sep 11, 1975
Date of Patent: Sep 12, 1978
Assignee: Charles Industries Corporation (Minneapolis, MN)
Inventor: Larrie S. Reese (Saint Paul, MN)
Primary Examiner: A. Hugo Word
Attorney: William C. Babcock
Application Number: 5/612,288
Classifications
Current U.S. Class: D25/92; D25/80; D25/94; D25/97
International Classification: D2501;