Exigência - art. 36 da LPI
#6.1
06/20/1989
RPI 974
Application data
Number
PI8502879Type
Filing
Publication
The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 06/20/1989. We update with every new RPI gazette, published weekly.
Applicants
B. A. (pessoa física)
DE
Inventors
E. S. (pessoa física)
DE
F. K. (pessoa física)
DE
G. S. (pessoa física)
DE
W. W. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 34 22 472.6 · 06/16/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
06/20/1989
RPI 974
#4.1
03/08/1988
RPI 907
#3.1
02/25/1986
RPI 801
#2.1
08/27/1985
RPI 775
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 59/14; C09D 3/58.
03/20/2018
RPI 2463
#21.1
Patente extinta em 17/06/2000
07/15/2008
RPI 1958
#16.1
03/26/1991
RPI 1060
#13.1
12/04/1990
RPI 1044
#9.1
08/21/1990
RPI 1029
#6.1
02/01/1990
RPI 1004
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.