Concessão da patente
#16.1
10/24/1989
RPI 992
Application data
Number
PI8402740Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto de Pesquisas e Aperfeiçoamento Industrial
SP, BR
R. C. (pessoa física)
SP, BR
Inventors
R. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
07/11/1989
RPI 977
#9.1
02/28/1989
RPI 958
#4.1
05/24/1988
RPI 918
#4.2
02/17/1988
RPI 904
#3.1
01/07/1986
RPI 794
#2.1
08/14/1984
RPI 721
#21.1
Patente extinta em 31/05/99
07/08/2008
RPI 1957
04/29/1997
RPI 1378
From the same holder
Same category
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