Notificação para pagamento de retribuição
#13.1
01/26/1988
RPI 901
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: 01/26/1988. We update with every new RPI gazette, published weekly.
Applicants
E. F. (pessoa física)
SP, BR
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
01/26/1988
RPI 901
#9.1
09/08/1987
RPI 881
#6.1
01/21/1987
RPI 848
#6.1
09/30/1986
RPI 832
#4.1
12/10/1985
RPI 790
#3.1
03/19/1985
RPI 752
#2.1
10/18/1983
RPI 678
#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.