Concessão da patente
#16.1
09/29/1987
RPI 884
The letters patent expired on 11/22/1994: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
IND DE CARDENOS SAO LUIZ S A [BR]
Inventors
E. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
#4.1
01/21/1986
RPI 796
#3.1
10/15/1985
RPI 782
#2.1
05/15/1984
RPI 708
#21.1
11/22/1994
RPI 1251
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.