14.1
10/24/1989
RPI 992
Application data
Number
PI8703649Type
Filing
Publication
The letters patent expired on 07/29/2008: 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
Thermal Ceramics, Inc.
US
Inventors
F. F. (pessoa física)
US
T. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
10/24/1989
RPI 992
#4.1
07/12/1988
RPI 925
#3.1
03/22/1988
RPI 909
#2.1
10/06/1987
RPI 885
#21.1
Patente extinta em 30/06/2002
07/29/2008
RPI 1960
#15.11
03/01/1995
RPI 1265
#16.1
05/31/1994
RPI 1226
10/26/1993
RPI 1195
#9.1
08/17/1993
RPI 1185
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Same category
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