20.7
05/07/1985
RPI 759
Application data
Number
PI8007010Type
Filing
Publication
The letters patent expired on 11/21/1995: 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: 05/07/1985. We update with every new RPI gazette, published weekly.
Applicants
J.R. Arújo & Cia Ltda.
SP, BR
Inventors
O. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/07/1985
RPI 759
#16.1
09/25/1984
RPI 727
#13.1
06/05/1984
RPI 711
#9.1
02/14/1984
RPI 695
#6.1
09/06/1983
RPI 672
#4.1
10/13/1982
RPI 625
#3.1
07/06/1982
RPI 611
#21.1
11/21/1995
RPI 1303
Same category
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