336
09/25/1984
RPI 727
Application data
Number
PI7802230Type
Filing
Publication
The letters patent expired on 11/30/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
Metalúrgica Leitzke LTDA
SC, BR
Inventors
W. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/25/1984
RPI 727
04/24/1984
RPI 705
#17.1
01/10/1984
RPI 690
#17.1
12/20/1983
RPI 687
#16.1
05/31/1983
RPI 658
#13.1
01/25/1983
RPI 640
#9.1
09/21/1982
RPI 622
03/09/1982
RPI 594
#3.1
08/19/1980
RPI 513
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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