Concessão da patente
#16.1
02/28/1989
RPI 958
The letters patent expired on 11/22/1994: 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
C. Z. (pessoa física)
Inventors
Z. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
10/25/1988
RPI 940
#9.1
06/28/1988
RPI 923
#6.1
12/29/1987
RPI 897
#4.1
04/07/1987
RPI 859
#3.1
05/14/1985
RPI 760
#2.1
12/13/1983
RPI 686
#21.1
11/22/1994
RPI 1251
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Same category
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