16.3
10/25/1983
RPI 679
The letters patent expired on 07/06/1993: 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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
Inventors
H. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/25/1983
RPI 679
#16.1
04/26/1983
RPI 653
#13.1
01/25/1983
RPI 640
#9.1
09/21/1982
RPI 622
#6.1
02/09/1982
RPI 590
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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