Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 05/09/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Brevet Burkhardt - Máquinas de Precisão Ltda.
SP, BR
Inventors
B. K. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#9.1
03/28/1989
RPI 962
09/01/1987
RPI 880
#4.1
04/22/1987
RPI 861
#3.1
10/21/1986
RPI 835
#2.1
05/21/1985
RPI 761
#21.1
05/09/1995
RPI 1275
From the same holder
Same category
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