14.7
11/22/1988
RPI 944
Application data
Number
PI8304412Type
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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Priority claims
US
420.194 · 09/20/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
11/22/1988
RPI 944
#16.1
08/30/1988
RPI 932
#13.1
05/10/1988
RPI 916
#9.1
12/29/1987
RPI 897
#6.1
05/19/1987
RPI 865
#4.1
07/29/1986
RPI 823
#3.1
06/12/1984
RPI 712
#2.1
10/25/1983
RPI 679
#21.1
Patente extinta em 16/08/98
07/01/2008
RPI 1956
From the same holder
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