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  1. Search and research millions of US patents for free on Justia.com.

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  2. Jan 13, 2023 · Air purifier. Patent number: D1024304. Type: Grant. Filed: October 20, 2021. Date of Patent: April 23, 2024. Assignee: HAVELLS INDIA LIMITED. Inventor: Sahil Singh. Justia - Patents - Patents and Patent Application Resources.

  3. Please Enter International Patent Classification (IPC) Select Logical Operator AND OR NOT Select Search Field Title Abstract Complete Specification Application Number Publication Number Patent Number Applicant Name Applicant Country Applicant Address Inventor Name Inventor Country Inventor Address Filing office International Patent Classification (IPC) PCT Application Number PCT Publication Number

  4. Mar 14, 2018 · The national patent collection of India is now available in WIPO’s global patent search system PATENTSCOPE. This brings to 52 the number of national/regional offices whose data is available in the PATENTSCOPE search system.

  5. Oct 15, 2023 · To conduct a preliminary search for a utility patent, you can brainstorm terms that describe your invention to locate relevant Cooperative Patent Classifications (CPC) using the USPTO's Classification Text Search Tool. Next, you can verify their relevancy by using the CPC Classification Definition.

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