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  All patent numbers must be seven characters in length, excluding commas, which are optional. Examples:
  Utility --	5,146,634 6923014 0000001
  Design --	D339,456 D321987 D000152
  Plant --	PP08,901 PP07514 PP00003
  Reissue --	RE35,312 RE12345 RE00007
  Defensive Publication --	T109,201 T855019 T100001
  Statutory Invention Registration --	H001,523 H001234 H000001
  Re-examination --	RX29,194 RE29183 RE00125
  Additional Improvement --	AI00,002 AI000318 AI00007

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  Term 1:	in Field 1:	All Fields Title Abstract Issue Date Patent Number Application Date Application Serial Number Application Type Applicant Name Applicant City Applicant State Applicant Country Applicant Type Assignee Name Assignee City Assignee State Assignee Country International Classification Current CPC Classification Current CPC Classification Class Current US Classification Primary Examiner Assistant Examiner Inventor Name Inventor City Inventor State Inventor Country Government Interest Attorney or Agent Parent Case Information PCT Information PCT 371C124 Date PCT Filing Date Foreign Priority Reissue Data Reissued Patent Application Filing Date Related US App. Data Related Application Filing Date Priority Claims Date Prior Published Document Date Referenced By Foreign References Other References Claim(s) Description/Specification Patent Family ID 130(b) Affirmation Flag 130(b) Affirmation Statement Certificate of Correction PTAB Trial Certificate Re-Examination Certificate Supplemental Exam Certificate International Registration Number International Registration Date Hague International Filing Date International Registration Publication Date
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  Term 2:	in Field 2:	All Fields Title Abstract Issue Date Patent Number Application Date Application Serial Number Application Type Applicant Name Applicant City Applicant State Applicant Country Applicant Type Assignee Name Assignee City Assignee State Assignee Country International Classification Current CPC Classification Current CPC Classification Class Current US Classification Primary Examiner Assistant Examiner Inventor Name Inventor City Inventor State Inventor Country Government Interest Attorney or Agent Parent Case Information PCT Information PCT 371C124 Date PCT Filing Date Foreign Priority Reissue Data Reissued Patent Application Filing Date Related US App. Data Related Application Filing Date Priority Claims Date Prior Published Document Date Referenced By Foreign References Other References Claim(s) Description/Specification Patent Family ID 130(b) Affirmation Flag 130(b) Affirmation Statement Certificate of Correction PTAB Trial Certificate Re-Examination Certificate Supplemental Exam Certificate International Registration Number International Registration Date Hague International Filing Date International Registration Publication Date
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  Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current US Classification. When searching for specific numbers in the Patent Number field, patent numbers must be seven characters in length, excluding commas, which are optional.

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  Help 1976 to present [full-text] 1790 to present [entire database]
  Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current Classification (US, IPC, or CPC). When searching for specific numbers in the Patent Number field, patent numbers must be seven characters in length, excluding commas, which are optional.

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