Concessão da patente
#16.1
02/03/1987
RPI 850
Application data
Number
PI8200348Type
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: 02/03/1987. We update with every new RPI gazette, published weekly.
Applicants
S. C. (pessoa física)
US
Inventors
M. N. (pessoa física)
US
IPC Classification
No IPC classification.
Priority claims
US
227.193 · 01/22/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/03/1987
RPI 850
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11/04/1986
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07/08/1986
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06/19/1984
RPI 713
#4.1
06/14/1983
RPI 660
#3.1
11/23/1982
RPI 631
#2.1
03/16/1982
RPI 595
#21.1
Patente extinta em 22/01/97
07/01/2008
RPI 1956
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