Solicitação de exame técnico
#4.1
11/10/1987
RPI 890
Application data
Number
PI8502889Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
The Firestone Tire & Rubber Company
US
Inventors
D. G. (pessoa física)
US
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