320
06/17/1986
RPI 817
Application data
Number
PI8009069Type
Filing
Publication
The letters patent expired on 03/19/1996: 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: 06/17/1986. We update with every new RPI gazette, published weekly.
Applicants
H. B. (pessoa física)
SP, BR
Inventors
B. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/17/1986
RPI 817
01/28/1986
RPI 797
09/10/1985
RPI 777
#17.1
04/09/1985
RPI 755
#16.1
02/28/1984
RPI 697
#13.1
11/22/1983
RPI 683
#9.1
08/02/1983
RPI 667
#4.1
07/27/1982
RPI 614
#3.2
04/13/1982
RPI 599
#2.1
03/09/1982
RPI 594
#21.1
03/19/1996
RPI 1320
#22.1
02/01/1994
RPI 1209
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