Concessão da patente
#16.1
10/29/1985
RPI 784
The letters patent expired on 11/22/1994: 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: 10/29/1985. We update with every new RPI gazette, published weekly.
Applicants
TIJOLO TECNICO FABRICACAO & CO [BR]
Inventors
G. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1985
RPI 784
#13.1
07/30/1985
RPI 771
#9.1
04/09/1985
RPI 755
#6.1
09/11/1984
RPI 725
#4.1
01/10/1984
RPI 690
#3.1
05/31/1983
RPI 658
#2.1
12/15/1981
RPI 582
#21.1
11/22/1994
RPI 1251
Same category
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