Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8307600Type
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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
H. P. (pessoa física)
US
L. P. (pessoa física)
US
R. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
05/30/1989
RPI 971
#9.1
01/10/1989
RPI 951
07/26/1988
RPI 927
#6.1
05/26/1987
RPI 866
#4.1
01/15/1985
RPI 743
#1.3
10/02/1984
RPI 728
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: H01G 1/11; H01G 4/38.
03/27/2018
RPI 2464
#21.1
Patente extinta em 21/10/98
07/01/2008
RPI 1956
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.