Publicação do pedido de patente
#3.1
05/09/1989
RPI 968
Application data
Number
PI8805042Type
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: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
Copolymer Rubber & Chemical Corporation
US
Inventors
M. O. (pessoa física)
US
R. S. (pessoa física)
US
IPC Classification
Priority claims
US
105,455 · 10/01/1987
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