Solicitação de exame técnico
#4.1
12/09/1986
RPI 842
Application data
Number
PI8505332Type
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: 12/09/1986. We update with every new RPI gazette, published weekly.
Applicants
Morval-Durofoam Limited
CA
Inventors
L. C. (pessoa física)
CA
IPC Classification
Priority claims
US
667.067 · 11/01/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/09/1986
RPI 842
#3.1
08/05/1986
RPI 824
#2.1
01/14/1986
RPI 795
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B29C 33/04; B29C 67/22.
03/27/2018
RPI 2464
#21.1
Patente extinta em 25/10/2000
07/15/2008
RPI 1958
#20.1
04/27/1993
RPI 1169
04/27/1993
RPI 1169
#20.1
04/20/1993
RPI 1168
04/20/1993
RPI 1168
04/13/1993
RPI 1167
#16.1
04/28/1992
RPI 1117
#13.1
10/22/1991
RPI 1090
#9.1
06/25/1991
RPI 1073
#6.1
10/23/1990
RPI 1038
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.