Pedido de licença compulsória
#20.1
02/24/1987
RPI 853
The letters patent expired on 04/18/1995: 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: 02/24/1987. We update with every new RPI gazette, published weekly.
Applicants
USM CORP
Inventors
H. P. (pessoa física)
T. Z. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
02/24/1987
RPI 853
#16.1
06/26/1984
RPI 714
#13.1
04/10/1984
RPI 703
#9.1
12/13/1983
RPI 686
05/24/1983
RPI 657
#4.1
06/29/1982
RPI 610
#21.1
04/18/1995
RPI 1272
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.