Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
Application data
Number
PI8901712Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
P. C. (pessoa física)
US
Inventors
R. N. (pessoa física)
US
R. M. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/21/1989
RPI 996
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 11/04/2004
12/15/2009
RPI 2032
#25.1
08/05/1997
RPI 1392
#16.1
02/24/1993
RPI 1160
#13.1
09/01/1992
RPI 1135
#9.1
03/17/1992
RPI 1111
#4.1
11/20/1990
RPI 1042
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