Concessão da patente
#16.1
06/27/1989
RPI 975
Application data
Number
PI8301349Type
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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
A. I. (pessoa física)
US
Inventors
W. M. (pessoa física)
IPC Classification
Priority claims
US
361,956 · 03/25/1982
US
458,005 · 01/17/1983
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