Concessão da patente
#16.1
02/23/1988
RPI 905
Application data
Number
PI8200703Type
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: 02/23/1988. We update with every new RPI gazette, published weekly.
Applicants
H. M. (pessoa física)
US
Inventors
H. M. (pessoa física)
US
IPC Classification
Priority claims
US
235,269 · 02/17/1981
US
332,504 · 12/22/1981
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