Title:
Acoustical baffle
United States Patent D306764


Inventors:
D'antonio, Peter (Largo, MD)
Konnert, John H. (Reston, VA)
Application Number:
07/008430
Publication Date:
03/20/1990
Filing Date:
01/29/1987
Assignee:
RPG Diffusor Systems, Inc. (Largo, MD)
Primary Class:
Other Classes:
D14/204, D14/221
Field of Search:
D14/204-216, D14/219-224, 312/7.1, 381/24, 381/86-88, 381/90, 381/159, 381/182, 381/186, 381/205, 181/144, 181/148, 181/152, 181/153, 181/155, 181/157, 181/198, 181/199, 181/284, 181/292, 181/293, D25/160, 52/144, 52/145, D6/476, D6/478
View Patent Images:
US Patent References:
4690244Loudspeaker enclosuresSeptember, 1987Dickie181/199
D291601Acoustical baffleAugust, 1987D'Antonio et al.D25/160
4158401Device for controlling a propagation direction of noiseJune, 1979Matsumoto et al.181/292
4156476Noise control devicesMay, 1979Matsumoto et al.181/292
4113053Sound absorbing bodySeptember, 1978Matsumoto et al.181/284
4094379Sound-absorption panelJune, 1978Steinberger181/284
2830330Means for acoustical correction and noise absorptionApril, 1958Heath181/284



Primary Examiner:
SHOOMAN, THEODORE M
Attorney, Agent or Firm:
H. JAY SPIEGEL (ALEXANDRIA, VA, US)
Claims:
1. The ornamental design for an acoustical baffle, as shown.

Description:

FIG. 1 is a top, front and left side perspective view of an acoustical baffle showing our new design;

FIG. 2 is a bottom, rear and right side perspective view thereof;

FIG. 3 is a sectional view thereof, taken along line 3--3 in FIG. 1; and

FIG. 4 is a sectional view thereof, taken along line 4--4 in FIG. 1.