210
06/20/1989
RPI 974
The letters patent expired on 12/07/1993: 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
Produtos Elétricos Corona Ltda.
SP, BR
Inventors
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/20/1989
RPI 974
#16.1
11/24/1987
RPI 892
#13.1
09/15/1987
RPI 882
06/23/1987
RPI 870
#12.1
03/04/1987
RPI 854
#9.1
10/29/1986
RPI 836
#6.1
02/12/1986
RPI 799
#4.1
05/21/1985
RPI 761
#3.1
02/05/1985
RPI 746
#2.1
07/26/1983
RPI 666
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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