Concessão da patente
#16.1
08/25/1987
RPI 879
The letters patent expired on 05/24/1994: 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
G. E. (pessoa física)
Inventors
D. R. (pessoa física)
L. M. (pessoa física)
S. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
#9.1
03/17/1987
RPI 856
#6.1
03/11/1986
RPI 803
#6.1
02/14/1984
RPI 695
#6.1
05/31/1983
RPI 658
#6.1
08/31/1982
RPI 619
12/29/1981
RPI 584
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.