Pedido de patente depositado
#2.1
06/06/1989
RPI 972
Application data
Number
PI8901965Type
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: 06/06/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
US
Inventors
F. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
06/06/1989
RPI 972
#21.1
Patente extinta em 26/04/2004
12/15/2009
RPI 2032
#16.1
04/25/1995
RPI 1273
#13.1
12/20/1994
RPI 1255
#9.1
08/23/1994
RPI 1238
#4.1
03/19/1991
RPI 1059
#3.1
09/04/1990
RPI 1031
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