Exigência - art. 36 da LPI
#6.1
10/17/1989
RPI 991
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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
W. E. (pessoa física)
SP, BR
Inventors
W. E. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/17/1989
RPI 991
#4.1
05/26/1987
RPI 866
#3.2
03/24/1987
RPI 857
#2.1
03/10/1987
RPI 855
#21.1
Patente extinta em 20/11/1996
07/01/2008
RPI 1956
#15.11
04/02/1991
RPI 1061
#16.1
09/25/1990
RPI 1034
#13.1
06/26/1990
RPI 1024
#9.1
03/06/1990
RPI 1008
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Same category
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