20.7
03/29/1988
RPI 910
The letters patent expired on 12/07/1993: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
MEGURO INSTR ELETRONICOS LTDA [BR]
Inventors
T. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/29/1988
RPI 910
#16.1
02/25/1986
RPI 801
#13.1
11/12/1985
RPI 786
#9.1
07/09/1985
RPI 768
#4.1
10/09/1984
RPI 729
#3.1
07/03/1984
RPI 715
#2.1
01/18/1983
RPI 639
#21.1
12/07/1993
RPI 1201
Same category
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