Concessão da patente
#16.1
10/27/1987
RPI 888
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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
NOMA & CIA LTD [BR]
Inventors
N. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
#4.1
02/12/1986
RPI 799
#3.2
09/03/1985
RPI 776
#2.1
09/25/1984
RPI 727
#21.1
11/22/1994
RPI 1251
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.