Solicitação de exame técnico
#4.1
03/21/1989
RPI 961
Application data
Number
PI8601997Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 03/21/1989. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
J. E. (pessoa física)
US
IPC Classification
Priority claims
US
725,050 · 04/19/1986
US
725.050 · 04/19/1985
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