Concessão da patente
#16.1
03/31/1987
RPI 858
The letters patent expired on 12/07/1993: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
Fermax - Indústria de Acessórios para Esquadrias Ltda.
Fermax Indústria e Comércio de Metais Ltda.
Inventors
K. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/31/1987
RPI 858
#13.1
10/14/1986
RPI 834
06/17/1986
RPI 817
#12.1
01/07/1986
RPI 794
#9.1
09/10/1985
RPI 777
#15.11
07/02/1985
RPI 767
#6.1
03/19/1985
RPI 752
#5.1
03/13/1984
RPI 699
#4.1
10/18/1983
RPI 678
#3.2
07/05/1983
RPI 663
#2.1
05/24/1983
RPI 657
#21.1
12/07/1993
RPI 1201
05/21/1991
RPI 1068
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.