Concessão da patente
#16.1
08/25/1987
RPI 879
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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
E. D. (pessoa física)
Inventors
A. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
#9.1
01/13/1987
RPI 847
#4.1
02/25/1986
RPI 801
#3.1
07/02/1985
RPI 767
#2.1
02/07/1984
RPI 694
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.