Concessão da patente
#16.1
09/27/1988
RPI 936
Application data
Number
PI8403709Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Durr do Brasil S/A Equipamentos Industriais
SP, BR
Inventors
M. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
06/07/1988
RPI 920
#9.1
02/09/1988
RPI 903
#4.1
07/29/1986
RPI 823
#3.1
03/04/1986
RPI 802
#2.1
10/02/1984
RPI 728
#21.1
Patente extinta em 23/07/99
07/08/2008
RPI 1957
From the same holder
Same category
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