Solicitação de exame técnico
#4.1
08/01/1989
RPI 980
Application data
Number
PI8604548Type
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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
I. C. (pessoa física)
US
Inventors
D. K. (pessoa física)
US
IPC Classification
Priority claims
US
793.401 · 10/31/1985
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