Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 07/01/2008: 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: 04/24/1984. We update with every new RPI gazette, published weekly.
Applicants
Tratemet Tratamento Térmico de Metais Ltda
RS, BR
Inventors
L. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
02/28/1984
RPI 697
12/27/1983
RPI 688
08/09/1983
RPI 668
04/12/1983
RPI 651
#12.1
02/22/1983
RPI 644
#9.1
08/10/1982
RPI 616
04/13/1982
RPI 599
#6.1
02/09/1982
RPI 590
#21.1
Patente extinta em 28/03/1990
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.