Pedido de certificado de adição de invenção
#5.1
02/21/1989
RPI 957
Application data
Number
PI8704789Type
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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Carl Freudenberg, firma alemã
DE
Inventors
G. F. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
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