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Welcome to our free US Patent Database Search. Please note that this search is based upon unaltered USPTO data, not the more complete, more accurate data used for Patent Complete patent searches.
Quick Search:
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Expert Search:
Construct your own query here using the same language as the USPTO
Date Range: All years Last 20 years
Expert Search language reference:
Field Code
Field Name
Syntax Example
PN
Patent Number
PN/1234567
IN
Inventor Name
IN/Doe-John-E
ISD
Issue Date
ISD/1/1/2000
IC
Inventor City
IC/"New York"
TTL
Title
TTL/"cardboard box"
IS
Inventor State
IS/NY
ABST
Abstract
ABST/"cardboard box"
ICN
Inventor Country
ICN/JP
ACLM
Claim(s)
ACLM/"cardboard box"
LREP
Attorney or Agent
LREP/"Doe John E"
SPEC
Description/Specification
SPEC/"cardboard box"
AN
Assignee Name
AN/Doe-John
CCL
Current US Classification
ccl/100/50
AC
Assignee City
AC/"New York"
ICL
International Classification
ICL/G06F019/00
AS
Assignee State
AS/NY
APN
Application Serial Number
APN/000001
ACN
Assignee Country
ACN/JP
APD
Application Date
APD/1/1/1790->1/1/2001
EXP
Primary Examiner
EXP/Doe-John-E
PARN
Parent Case Information
PARN/1234567
EXA
Assistant Examiner
EXA/Doe-John-E
RLAP
Related US App. Data
RLAP/012345
REF
US References
REF/1234567
REIS
Reissue Data
REIS/1234567
FREF
Foreign References
FREF/JP1234567
PRIR
Foreign Priority
PRIR/1/1/1990
OREF
Other References
OREF/"Cardboard Box"
PCT
PCT Information
PCT/1234567
GOVT
Government Interest
GOVT/"rights"
APT
Application Type
APT/1
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