320
01/07/1986
RPI 794
The letters patent expired on 12/31/2024: 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: 01/07/1986. We update with every new RPI gazette, published weekly.
Applicants
S. R. (pessoa física)
Inventors
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/07/1986
RPI 794
10/15/1985
RPI 782
#18.2
08/27/1985
RPI 775
06/11/1985
RPI 764
#22.1
02/26/1985
RPI 749
#17.1
01/15/1985
RPI 743
#16.1
11/29/1983
RPI 684
08/16/1983
RPI 669
#12.1
02/22/1983
RPI 644
#9.1
10/13/1982
RPI 625
#6.1
02/24/1982
RPI 592
#21.1
PATENTE EXTINTA EM 02/09/1987
12/31/2024
RPI 2817
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Same category
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