PN - Publication Number

publication number (11)

Example: 1248

AN - Application Number

country code (19) + application number (21) / country code, where presented priority number (33) + priority number (31)

Since 2000 before number of the application symbol "P" for inventions and "U" for utility models is put.

Example: AM98033, AMP20020135 or AMU20020115 / US09/575957

IC - IPC Indexes

International Classification indexes (51)

Value of an attribute is concluded in quotation marks, subclass is separated from a subheading by three symbols: a blank (1 symbol) + a heading (2 symbols) or a blank (2 symbols) + a heading (1 symbol).

Example: "A61B^17/00" or "A23B^^7/03"

DD - Dates

application publication date (43), patent publication date (45), priority date (32)

Date is set in the following order - year (4 signs), month (2 signs), day (2 signs).

Example: 20021115

NM - Persons/Firms

applicant's (71), inventor's (72), owner's (73) name(s)

Example: Stepanjan (you can also use "*" for seaching the different variants of transliteration? for example: Stepan*)

KW - Key Words

keywords from title (54) or abstract (57)

Example: Refrigerator