20.7
06/06/1989
RPI 972
Application data
Number
PI8300664Type
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: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants
S. A. (pessoa física)
SE
Inventors
B. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/06/1989
RPI 972
#16.1
06/02/1987
RPI 867
12/30/1986
RPI 845
12/23/1986
RPI 844
#13.1
05/06/1986
RPI 811
#9.1
01/07/1986
RPI 794
#4.1
01/22/1985
RPI 744
#3.1
11/08/1983
RPI 681
#2.1
03/29/1983
RPI 649
#21.1
Patente extinta em 10/02/98
07/01/2008
RPI 1956
#25.1
06/10/1997
RPI 1384
03/30/1993
RPI 1165
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