Pedido de patente depositado
#2.1
08/08/1989
RPI 981
Application data
Number
PI8903056Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
No applicants.
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/08/1989
RPI 981
#21.1
Patente extinta em 14/06/2004
12/22/2009
RPI 2033
#16.1
05/31/1994
RPI 1226
#9.1
11/03/1993
RPI 1196
#4.1
03/16/1993
RPI 1163
#3.1
12/26/1990
RPI 1047
Same category
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