Concessão da patente
#16.1
03/29/1988
RPI 910
The letters patent expired on 04/25/1995: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
A. O. (pessoa física)
FI
Inventors
E. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1988
RPI 910
11/17/1987
RPI 891
07/01/1986
RPI 819
#12.2
01/02/1985
RPI 741
#9.2
09/18/1984
RPI 726
#4.1
06/28/1983
RPI 662
#21.1
04/25/1995
RPI 1273
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