Publicação do pedido de patente
#3.1
05/02/1989
RPI 967
Application data
Number
PI8804992Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 05/02/1989. We update with every new RPI gazette, published weekly.
Applicants
The B.F. Goodrich Company
US
Zeon Chemicals USA, Inc
US
Inventors
F. W. (pessoa física)
US
IPC Classification
Priority claims
US
101,883 · 09/28/1987
US
227,396 · 08/04/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
05/02/1989
RPI 967
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02/08/1989
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Patente extinta em 27/09/2008
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