Patent types of American patents:
Patent type input format
Utility model: utility model patents (USA) 5 146634/5,146,634/5146634+046635.
D' in case design patent, design patent D339456.
PP' plant patent, plant patent PP890 1.
R' re-examine patent and re-authorize patent RE353 12.
Defense publication, defense bulletin T 10920 1.
H' for sirs, registered patent for legal invention is H 10920 1.
X' is patent X and utility model patent X 1 1280.
Additional improvement of' AI' patent AI3 18
Such as European patent number:
The European patent number is the country code plus 7 digits.
If the number is less than 7 digits, it shall be supplemented by "0" before the number.
1, 2004, year in 4-digit format,
Followed by a six-digit serial number,
Such as WO200400 1234.
I am concerned about 0659347 and 0702253 in /s? wd = % D6 % D0 % CD % E2 % D7 % A8 % C0 % FB % CE % C4 % CF % D7 % BC % EC % CB % F7 % BC % B0 % BB % f 1% C8 % a 1 & amp； cl=3