Concessão da patente
#16.1
02/03/1987
RPI 850
The letters patent expired on 06/06/1995: 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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
R. T. (pessoa física)
Inventors
D. L. (pessoa física)
D. F. (pessoa física)
D. R. (pessoa física)
M. R. (pessoa física)
P. C. (pessoa física)
V. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
#13.1
09/02/1986
RPI 828
#9.1
04/29/1986
RPI 810
11/05/1985
RPI 785
#6.1
06/05/1984
RPI 711
#6.1
10/18/1983
RPI 678
#15.11
02/08/1983
RPI 642
#6.1
12/07/1982
RPI 633
#15.11
As classificações anteriores eram: H04B 3/46, G05B 19/00, H04M 3/22
08/25/2015
RPI 2329
#21.1
06/06/1995
RPI 1279
From the same holder
Same category
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