Concessão da patente
#16.1
08/25/1987
RPI 879
Application data
Number
PI8205515Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
B. I. (pessoa física)
US
Inventors
B. [. (pessoa física)
IPC Classification
Priority claims
US
304.523 · 09/21/1981
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