Concessão da patente
#16.1
10/27/1987
RPI 888
The letters patent expired on 09/21/1993: 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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
B. K. (pessoa física)
Inventors
B. W. (pessoa física)
R. R. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
09/15/1987
RPI 882
07/14/1987
RPI 873
04/08/1986
RPI 807
08/27/1985
RPI 775
02/12/1985
RPI 747
03/29/1983
RPI 649
05/11/1982
RPI 603
#21.1
09/21/1993
RPI 1190
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