Solicitação de exame técnico
#4.1
07/18/1989
RPI 978
Application data
Number
PI8504861Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 07/18/1989. We update with every new RPI gazette, published weekly.
Applicants
H. F. (pessoa física)
AT
Inventors
H. F. (pessoa física)
AT
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/18/1989
RPI 978
#3.1
05/05/1987
RPI 863
#2.1
12/10/1985
RPI 790
#21.1
Patente extinta em 02/10/2000
07/15/2008
RPI 1958
#15.11
06/25/1991
RPI 1073
#16.1
09/25/1990
RPI 1034
#13.1
07/24/1990
RPI 1025
#9.1
03/13/1990
RPI 1009
Same category
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