Pedido de licença compulsória
#20.1
11/28/1989
RPI 997
Application data
Number
PI8207291Type
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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Thermal Ceramics, Inc
US
Inventors
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/28/1989
RPI 997
#16.1
03/17/1987
RPI 856
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11/04/1986
RPI 837
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07/08/1986
RPI 820
10/08/1985
RPI 781
#6.1
04/16/1985
RPI 756
#4.1
02/07/1984
RPI 694
#3.1
10/18/1983
RPI 678
#2.1
02/01/1983
RPI 641
#21.1
Patente extinta em 15/12/97
07/01/2008
RPI 1956
From the same holder
Same category
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