Concessão da patente
#16.1
10/24/1989
RPI 992
Application data
Number
PI8301726Type
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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
US
Inventors
J. M. (pessoa física)
US
R. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/24/1989
RPI 992
#13.1
04/25/1989
RPI 966
#6.1
07/05/1988
RPI 924
02/24/1987
RPI 853
#4.1
05/20/1986
RPI 813
#3.1
12/13/1983
RPI 686
#2.1
05/17/1983
RPI 656
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C23C 11/12.
03/27/2018
RPI 2464
#21.1
Patente extinta em 05/04/98
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.