14.1
11/16/1988
RPI 943
The letters patent expired on 09/27/1994: 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: 11/16/1988. We update with every new RPI gazette, published weekly.
Applicants
FERRO HELENICE VIANNA [BR]
ZENAIDE GONDIM PINHEIRO GANANI [BR]
Inventors
F. [. (pessoa física)
G. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/16/1988
RPI 943
#16.1
08/30/1988
RPI 932
#13.1
05/10/1988
RPI 916
#9.1
12/29/1987
RPI 897
07/28/1987
RPI 875
#6.1
09/16/1986
RPI 830
#4.1
10/29/1985
RPI 784
#3.1
06/25/1985
RPI 766
#2.1
02/07/1984
RPI 694
#15.11
01/19/2010
RPI 2037
#21.1
09/27/1994
RPI 1243
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