Solicitação de exame técnico
#4.1
07/22/1986
RPI 822
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Official data from INPI
ANTENA DE POLARIZAÇÃO CIRCULAR PARA FREQUÊNCIA MODULADA
Em AnáliseInvention Patent
Application data
Number
PI8503408Type
Invention Patent
Filing
07/17/1985
Publication
04/29/1986
Progress at the INPI
- Filing07/17/85
- Publication04/29/86
- Examination07/22/86
- Allowance07/16/91
- Grant04/28/92
- Expired07/15/08
The letters patent expired on 07/15/2008: 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: 07/22/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Teel Tele-Eletrônica Ltda.
SP, BR
Inventors
L. A. (pessoa física)
BR
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação antecipada
#3.2
04/29/1986
RPI 810
Pedido de patente depositado
#2.1
09/24/1985
RPI 779
Carta-patente expirada
#21.1
Patente extinta em 17/07/2000
07/15/2008
RPI 1958
Concessão da patente
#16.1
04/28/1992
RPI 1117
Notificação para pagamento de retribuição
#13.1
12/10/1991
RPI 1097
Deferimento
#9.1
07/16/1991
RPI 1076
Exigência - art. 36 da LPI
#6.1
01/15/1991
RPI 1050
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