Concessão da patente
#16.1
10/24/1989
RPI 992
The letters patent expired on 11/07/1995: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
O. L. (pessoa física)
BR
Inventors
O. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
06/06/1989
RPI 972
#9.1
02/08/1989
RPI 955
#4.1
08/25/1987
RPI 879
#3.1
05/05/1987
RPI 863
#2.1
12/31/1985
RPI 793
#21.1
11/07/1995
RPI 1301
Same category
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