Concessão da patente
#16.1
12/26/1984
RPI 740
The letters patent expired on 09/19/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
US
Inventors
T. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/26/1984
RPI 740
#13.1
10/02/1984
RPI 728
#9.1
06/05/1984
RPI 711
#15.11
03/13/1984
RPI 699
#6.1
12/27/1983
RPI 688
#4.1
07/12/1983
RPI 664
#21.1
09/19/1995
RPI 1294
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.