Concessão da patente
#16.1
10/01/1985
RPI 780
Application data
Number
PI8204884Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
Ewem Ltd
NL
Industrial Arte Técnica S/A
RS, BR
Inventors
E. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
#9.1
04/16/1985
RPI 756
#4.1
06/19/1984
RPI 713
#3.1
03/27/1984
RPI 701
#2.1
10/13/1982
RPI 625
#21.1
Patente extinta em 16/08/97
07/01/2008
RPI 1956
#25.1
08/26/1997
RPI 1395
From the same holder
Same category
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