20.7
01/21/1987
RPI 848
The letters patent expired on 05/31/1994: 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: 01/21/1987. We update with every new RPI gazette, published weekly.
Applicants
MECANICA WALSYWA LTD
Inventors
O. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/21/1987
RPI 848
01/13/1987
RPI 847
#16.1
01/31/1984
RPI 693
#13.1
09/06/1983
RPI 672
#9.1
04/19/1983
RPI 652
#6.1
09/21/1982
RPI 622
#4.1
03/16/1982
RPI 595
#21.1
05/31/1994
RPI 1226
02/16/1994
RPI 1211
04/24/1990
RPI 1015
From the same holder
Same category
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