320
01/24/1989
RPI 953
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Official data from INPI
TRANDUTOR ELETRO-ACUSTICO PIEZO-ELETRICO
Em AnáliseInvention Patent
Application data
Number
PI8106140Type
Invention Patent
Filing
09/23/1981
Publication
06/08/1982
Progress at the INPI
- Filing09/23/81
- Publication06/08/82
- Examination08/17/82
- Allowance07/30/85
- Grant03/25/86
- Terminated09/25/90
The patent was granted on 03/25/1986 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: 01/24/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
P. M. (pessoa física)
Inventors
P. M. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
300
04/19/1988
RPI 913
201
12/29/1987
RPI 897
120
10/27/1987
RPI 888
Pedido de licença voluntária
#17.1
05/19/1987
RPI 865
Concessão da patente
#16.1
03/25/1986
RPI 805
Notificação para pagamento de retribuição
#13.1
11/26/1985
RPI 788
Deferimento
#9.1
07/30/1985
RPI 771
Exigência - art. 36 da LPI
#6.1
12/11/1984
RPI 738
Solicitação de exame técnico
#4.1
08/17/1982
RPI 617
Publicação antecipada
#3.2
06/08/1982
RPI 607
Anuidade - prazo legal encerrado
#18.2
09/25/1990
RPI 1034
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