Concessão da patente
#16.1
10/27/1987
RPI 888
The letters patent expired on 12/07/1993: 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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
BECKER METALURGICA [BR]
Inventors
B. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
07/14/1987
RPI 873
#9.1
03/17/1987
RPI 856
#6.1
09/23/1986
RPI 831
#5.1
12/31/1985
RPI 793
#4.1
09/03/1985
RPI 776
#3.1
04/23/1985
RPI 757
#2.1
11/22/1983
RPI 683
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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