20.4
05/26/1987
RPI 866
Application data
Number
PI8002625Type
Filing
Publication
The letters patent expired on 06/13/1995: 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: 05/26/1987. We update with every new RPI gazette, published weekly.
Applicants
Brevet Burkhardt - Máquinas de Precisão Ltda.
SP, BR
Inventors
K. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/26/1987
RPI 866
#16.1
02/26/1985
RPI 749
#13.1
10/23/1984
RPI 731
#9.1
06/19/1984
RPI 713
01/24/1984
RPI 692
#6.1
06/07/1983
RPI 659
#4.1
04/06/1982
RPI 598
#3.1
12/15/1981
RPI 582
#21.1
06/13/1995
RPI 1280
From the same holder
Same category
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