Exigência - art. 36 da LPI
#6.1
08/15/1989
RPI 982
Application data
Number
PI8503347Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
The B.F. Goodrich Company
US
Inventors
D. R. (pessoa física)
US
IPC Classification
Priority claims
US
630.421 · 07/13/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
08/15/1989
RPI 982
#4.1
05/19/1987
RPI 865
#3.1
04/08/1986
RPI 807
#2.1
09/17/1985
RPI 778
#21.1
Patente extinta em 12/07/2000
07/15/2008
RPI 1958
#20.1
07/05/1994
RPI 1231
#16.1
08/27/1991
RPI 1082
#15.11
06/11/1991
RPI 1071
#13.1
04/23/1991
RPI 1064
#9.1
01/08/1991
RPI 1049
#6.1
06/05/1990
RPI 1021
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.