20.4
06/30/1987
RPI 871
Application data
Number
PI8108094Type
Filing
Publication
The patent was granted on 10/29/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
WALSYWA MECANICA [BR]
Inventors
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/30/1987
RPI 871
06/30/1987
RPI 871
#22.1
01/13/1987
RPI 847
#16.1
10/29/1985
RPI 784
#13.1
08/06/1985
RPI 772
#9.1
04/16/1985
RPI 756
#4.1
01/31/1984
RPI 693
#3.1
09/13/1983
RPI 673
#2.1
02/09/1982
RPI 590
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: E04B 5/57; E04B 1/41.
03/27/2018
RPI 2464
#18.2
02/04/1992
RPI 1105
05/01/1990
RPI 1016
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