Concessão da patente
#16.1
11/24/1987
RPI 892
Application data
Number
PI8204327Type
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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
H-C Industries Inc
US
Inventors
R. S. (pessoa física)
US
S. W. (pessoa física)
US
T. M. (pessoa física)
US
IPC Classification
Priority claims
US
286.375 · 07/24/1981
US
310.769 · 10/13/1981
US
390.346 · 06/22/1982
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