Concessão da patente
#16.1
06/28/1988
RPI 923
The letters patent expired on 07/26/1994: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
R. I. (pessoa física)
Inventors
J. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
#13.1
05/10/1988
RPI 916
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12/29/1987
RPI 897
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11/08/1983
RPI 681
06/01/1982
RPI 606
#4.1
12/01/1981
RPI 580
#21.1
07/26/1994
RPI 1234
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