Concessão da patente
#16.1
06/30/1987
RPI 871
Application data
Number
PI8303988Type
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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
J. B. (pessoa física)
SP, BR
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
12/09/1986
RPI 842
#9.1
08/26/1986
RPI 827
#4.1
09/17/1985
RPI 778
#4.2
05/21/1985
RPI 761
#3.1
03/05/1985
RPI 750
#2.1
10/04/1983
RPI 676
#21.1
Patente extinta em 26/07/98
07/01/2008
RPI 1956
From the same holder
Same category
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