Concessão da patente
#16.1
07/25/1989
RPI 979
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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
W. E. (pessoa física)
Inventors
H. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
01/31/1989
RPI 954
09/13/1988
RPI 934
07/12/1988
RPI 925
08/11/1987
RPI 877
#12.1
10/13/1981
RPI 573
#21.1
09/21/1993
RPI 1190
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