Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD581090 S1
Publication typeGrant
Application numberUS 29/306,330
Publication dateNov 18, 2008
Filing dateApr 7, 2008
Priority dateDec 30, 2005
Also published asUSD568529
Publication number29306330, 306330, US D581090 S1, US D581090S1, US-S1-D581090, USD581090 S1, USD581090S1
InventorsC. Nicholas Colleran, Jr., Samuel J. Colleran, Ryan L. Larkin
Original AssigneeAcoustics First Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Pyramidal diffuser
US D581090 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design for a pyramidal diffuser, as shown and described.

FIG. 1 is a top and left front perspective view of a pyramidal diffuser, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side elevational view thereof, the left and right side views thereof being mirror images of the front view shown; and,

FIG. 4 is a bottom plan view thereof.

The broken lines adjacent to the surfaces containing shading, which show the boundary of the claimed design, and all other portions of the design shown in broken lines shown in the figures form no part of the claimed design.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD667164 *Dec 28, 2011Sep 11, 2012Mayfair HallLighting structure for repelling animals
USD743091Aug 9, 2013Nov 10, 2015Acoustics First CorporationRipple diffuser
USD761486 *May 29, 2014Jul 12, 2016Ali Ganjavian AfsharBag light
USD776332 *Sep 4, 2015Jan 10, 2017Svv Technology Innovations, Inc.Light guide
USD776333 *Sep 5, 2015Jan 10, 2017Svv Technology Innovations, Inc.Light guide
USD776334 *Sep 9, 2015Jan 10, 2017Svv Technology Innovations, Inc.Edge-lit light guide
U.S. ClassificationD26/122