Solicitação de exame técnico
#4.1
08/30/1988
RPI 932
Application data
Number
PI8504327Type
Filing
Publication
The patent was granted on 11/24/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
UTDC Inc
CA
Inventors
A. W. (pessoa física)
US
IPC Classification
Priority claims
CA
463.109 · 09/13/1984
US
727.387 · 04/25/1985
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/30/1988
RPI 932
#3.1
07/01/1986
RPI 819
#2.1
11/12/1985
RPI 786
#18.2
09/19/1995
RPI 1294
#16.1
11/24/1992
RPI 1147
#15.11
09/22/1992
RPI 1138
06/30/1992
RPI 1126
02/04/1992
RPI 1105
#13.1
09/10/1991
RPI 1084
#15.11
06/18/1991
RPI 1072
#9.1
05/28/1991
RPI 1069
#6.1
10/30/1990
RPI 1039
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.