Publicação do pedido de patente
#3.1
10/25/1988
RPI 940
Application data
Number
PI8701689Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
B. C. (pessoa física)
US
Inventors
M. M. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/25/1988
RPI 940
#2.1
07/28/1987
RPI 875
#21.1
Patente extinta em 10/04/2002
07/29/2008
RPI 1960
#16.1
09/29/1992
RPI 1139
#13.1
03/31/1992
RPI 1113
#9.1
11/12/1991
RPI 1093
#6.1
05/28/1991
RPI 1069
#4.1
11/13/1990
RPI 1041
Same category
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