Exigência - art. 36 da LPI
#6.1
08/15/1989
RPI 982
Application data
Number
PI8503484Type
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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Wacker-Chemie GmbH
DE
Inventors
D. H. (pessoa física)
DE
D. K. (pessoa física)
DE
IPC Classification
Priority claims
DE
P 34 31 075.4 · 08/23/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
08/15/1989
RPI 982
#15.11
03/10/1987
RPI 855
#4.1
08/05/1986
RPI 824
#3.1
04/15/1986
RPI 808
#2.1
09/24/1985
RPI 779
#21.1
Patente extinta em 23/07/2000
07/15/2008
RPI 1958
#16.1
11/26/1991
RPI 1095
#13.1
08/13/1991
RPI 1080
#15.11
06/18/1991
RPI 1072
#9.1
04/30/1991
RPI 1065
#6.1
10/09/1990
RPI 1036
#6.1
04/03/1990
RPI 1012
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.