120
12/12/1989
RPI 999
The letters patent expired on 11/07/1995: 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: 12/12/1989. We update with every new RPI gazette, published weekly.
Applicants
D. F. (pessoa física)
SP, BR
L. T. (pessoa física)
SP, BR
Inventors
D. F. (pessoa física)
BR
L. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/12/1989
RPI 999
#12.2
05/16/1989
RPI 969
#9.2
01/03/1989
RPI 950
#4.1
08/05/1986
RPI 824
#3.2
04/29/1986
RPI 810
#2.1
01/21/1986
RPI 796
#21.1
11/07/1995
RPI 1301
#16.1
09/25/1990
RPI 1034
#13.1
08/07/1990
RPI 1027
05/01/1990
RPI 1016
Same category
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