如题,本人菜鸟。一件专利的法律状态如下,其中类似代码的“PRS Code : AK ”不清楚是什么意思
WO F 9800397 W (Patent of invention)
PRS Date : 1998/08/27
PRS Code : AK
Code Expl.: + DESIGNATED STATES
KD OF CORRESP. PAT. : A1
DESIGNATED COUNTR. : BR CN GB JP KR US
PRS Date : 1998/10/08
PRS Code : DFPE
Code Expl.: REQUEST FOR PRELIMINARY EXAMINATION FILED PRIOR TO EXPIRATION OF 19TH MONTH FROM PRIORITY DATE (PCT APPLICATION FILED BEFORE 20040101)
PRS Date : 1999/08/04
PRS Code : ENP GB
Code Expl.: ENTRY INTO THE NATIONAL PHASE IN:
CORRESP. PATENT D. : 9918257
KD OF CORRESP. PAT. : A
FILING(F)/PUBLIC(P) : F
PRS Date : 1999/08/11
PRS Code : ENP JP
Code Expl.: ENTRY INTO THE NATIONAL PHASE IN:
CORRESP. PATENT D. : 1998 536187
KD OF CORRESP. PAT. : A
FILING(F)/PUBLIC(P) : F
PRS Date : 1999/08/20
PRS Code : WWE
Code Expl.: + WIPO INFORMATION: ENTRY INTO NATIONAL PHASE
CC OF CORRESP. PAT. : KR
CORRESP. PATENT D. : 1019997007554
PRS Date : 1999/11/15
PRS Code : WWE
Code Expl.: + WIPO INFORMATION: ENTRY INTO NATIONAL PHASE
CC OF CORRESP. PAT. : US
CORRESP. PATENT D. : 09367965
能看的似乎明白的:
PRS Date : 1999/08/20
PRS Code : WWE
Code Expl.: + WIPO INFORMATION: ENTRY INTO NATIONAL PHASE
CC OF CORRESP. PAT. : KR
CORRESP. PATENT D. : 1019997007554
99年出现韩国同族了 KR 1019997007554 ?
PRS Date : 1999/11/15
PRS Code : WWE
Code Expl.: + WIPO INFORMATION: ENTRY INTO NATIONAL PHASE
CC OF CORRESP. PAT. : US
CORRESP. PATENT D. : 09367965