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Class Information
Number: 181/201
Name: Acoustics > Sound-modifying means > Housing or enclosure (e.g., sound confining and absorbing) > Machine type enclosure > Offfice type devices (e.g., typewriters, teleprinters, etc.)
Description: Subject matter wherein the enclosure is for machines normally used and found in a business type office.










Patents under this class:

Patent Number Title Of Patent Date Issued
8213176 Systems and methods for providing airflow Jul. 3, 2012
8028793 Noise attenuating inserts for electronic equipment cabinets Oct. 4, 2011
7986526 Acoustically absorptive apparatus for an electronics rack of a data center Jul. 26, 2011
7929295 Systems and methods for providing airflow Apr. 19, 2011
7835659 Image forming apparatus capable of reducing noise energy radiated outside the apparatus, method of designing frame, and computer readable medium Nov. 16, 2010
7784584 Device for reducing noise and heat emissions Aug. 31, 2010
7707711 Acoustic noise reduction in a computer system having a vented cover May. 4, 2010
7357219 Sound attenuating cover for domestic air conditioner compressors Apr. 15, 2008
7334662 Equipment enclosure acoustical door with low impedance distributed air flow Feb. 26, 2008
7161801 Commutate silencer of computer system Jan. 9, 2007
6722466 Acoustic blanket for machinery and method for attenuating sound Apr. 20, 2004
6589643 Energy conversion fiber and sound reducing material Jul. 8, 2003
6481527 Methods and apparatus for attenuating noise from a cabinet that houses computer equipment Nov. 19, 2002
6129176 Sound attenuating motor end shield Oct. 10, 2000
6013362 Soundproof material Jan. 11, 2000
5121811 Noise reducing device for printer Jun. 16, 1992
4943173 Sound dampening impact printer Jul. 24, 1990
4729452 Printer sound enclosure Mar. 8, 1988
4726699 Noise attenuation in printers Feb. 23, 1988
4636101 Low-noise type impact printer Jan. 13, 1987
4600326 Casing structure for electrical and mechanical units Jul. 15, 1986
4550798 Acoustic panel and enclosure Nov. 5, 1985
4465390 Printer comprising a noise-sealing paper-transport roller Aug. 14, 1984
4431324 Sound damping ribbon cartridge for a typewriter or similar office machine Feb. 14, 1984
4252453 Acoustic attenuator system for quietizing printers and the like Feb. 24, 1981
4239398 Device for attenuating noise emitted to the environment by noise-generating aggregates having simultaneous dissipation of heat Dec. 16, 1980
4215762 Acoustical enclosure Aug. 5, 1980
4135830 Wire printer printing head Jan. 23, 1979
3930559 Sound insulating hoods for noise emitting apparatus Jan. 6, 1976











 
 
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