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You can search for design patents in Google Patent Search by going to the advanced search settings and changing the search type to “Design” instead of patent. This will change the search from both Utility Patents and Design Patents to Design Patents, allowing you to search through only Design Patents.
Overview - Use the USPC class likely for the design:
One method of searching only design patents is searching for the USPC class which the design patent will likely be categorized under.
Find the likely USPC class using either of two different methods:
The USPC class can be found with either: 1) a keyword search; or 2) looking through the main outlines for the USPC classes.
1) Keyword Method:
Keywords can be searched in the CPC Classification Text Search and switching USPC.
2) Outline Method
For the method using the outline, to find the likely USPC class for the design, go to the outline of the USPC classes and then go to the section which starts with D.
Then find the main class and then view the full outline for that class. In that page use crtl+f to find a term which accurately describes the type of the design in the outline.
Search in Public Patent Search advanced search function under the .CCOR. field with the likely USPC class:
The search in Public Patent Search is with a .CCOR. ending for the design USPC code.
Example: If the main class and subclass is found to be a game with an surface projectile simulating baseball then the term D21/315.CCOR. can be entered into the Advanced Search of Public Patent Search to look through previous design patents.
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