Concessão da patente
#16.1
09/27/1988
RPI 936
The letters patent expired on 05/03/1994: 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: 09/27/1988. We update with every new RPI gazette, published weekly.
Applicants
AMF INC
Inventors
S. O. (pessoa física)
T. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1988
RPI 936
#13.1
07/19/1988
RPI 926
#9.1
03/15/1988
RPI 908
#6.1
09/01/1987
RPI 880
#6.1
10/11/1983
RPI 677
#6.1
03/15/1983
RPI 647
#4.1
04/13/1982
RPI 599
#21.1
05/03/1994
RPI 1222
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.