Concessão da patente
#16.1
02/28/1989
RPI 958
The letters patent expired on 05/24/1994: 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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
R. I. (pessoa física)
Inventors
D. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
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10/25/1988
RPI 940
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06/28/1988
RPI 923
08/16/1983
RPI 669
#12.2
01/11/1983
RPI 638
#15.11
09/08/1982
RPI 620
#9.2
06/15/1982
RPI 608
12/15/1981
RPI 582
#21.1
05/24/1994
RPI 1225
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Same category
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