Concessão da patente
#16.1
03/17/1987
RPI 856
Application data
Number
PI8102217Type
Filing
Publication
The letters patent expired on 10/01/1996: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
N. C. (pessoa física)
JP
Inventors
H. B. (pessoa física)
H. I. (pessoa física)
I. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
#13.1
10/14/1986
RPI 834
07/01/1986
RPI 819
#12.2
06/25/1985
RPI 766
#9.2
03/05/1985
RPI 750
07/31/1984
RPI 719
#4.1
01/19/1982
RPI 587
#3.1
10/13/1981
RPI 573
#15.11
As Classificações Anteriores eram: C21D 9/56 , C21D 8/02
07/28/2026
RPI 2899
#21.1
10/01/1996
RPI 1348
From the same holder
Same category
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