Solicitação de exame técnico
#4.1
05/05/1987
RPI 863
Application data
Number
PI8505280Type
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: 05/05/1987. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
W. L. (pessoa física)
US
IPC Classification
Priority claims
US
578.713 · 02/09/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
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