Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8603932Type
Filing
Publication
The patent was granted on 06/25/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Dupli-Door Comércio e Indústria Ltda.
SP, BR
Inventors
L. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
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10/17/1989
RPI 991
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