Deferimento
#9.1
11/28/1989
RPI 997
Application data
Number
PI8406132Type
Filing
Publication
The letters patent expired on 07/08/2008: 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
Sumitomo Electric Industries Ltd
JP
Inventors
K. A. (pessoa física)
US
N. K. (pessoa física)
US
Y. O. (pessoa física)
US
IPC Classification
Priority claims
JP
1090/84 · 01/07/1984
JP
228968/83 · 12/02/1983
JP
233245/83 · 12/09/1983
JP
56492/84 · 03/23/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
11/28/1989
RPI 997
#6.1
06/20/1989
RPI 974
07/26/1988
RPI 927
#4.1
06/23/1987
RPI 870
#3.1
09/24/1985
RPI 779
#2.1
02/26/1985
RPI 749
#21.1
Patente extinta em 30/11/99
07/08/2008
RPI 1957
#16.1
06/26/1990
RPI 1024
#13.1
04/03/1990
RPI 1012
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.