Pedido de licença compulsória
#20.1
11/28/1989
RPI 997
Application data
Number
PI8307543Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
P. I. (pessoa física)
US
Inventors
M. H. (pessoa física)
US
R. N. (pessoa física)
US
W. N. (pessoa física)
US
IPC Classification
Priority claims
US
429.392 · 09/30/1982
US
439.588 · 11/05/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/28/1989
RPI 997
#16.1
09/26/1989
RPI 988
#13.1
03/07/1989
RPI 959
#9.1
11/16/1988
RPI 943
#6.1
05/10/1988
RPI 916
#4.1
06/17/1986
RPI 817
#1.3
08/21/1984
RPI 722
#21.1
Patente extinta em 19/09/98
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.