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Official data from INPI

ANTENA BI-HELICOIDAL.

ConcedidaInvention Patent
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Application data

Number

PI8107057

Type

Invention Patent

Filing

09/25/1981

Publication

04/13/1982
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Progress at the INPI

  1. Filing09/25/81
  2. Publication04/13/82
  3. Examination11/23/82
  4. Allowance05/24/88
  5. Grant11/29/88
  6. Terminated09/20/94

The patent was granted on 11/29/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Conselho Nacional de Desenvolvimento Científico e Tecnológico - CNPQ

DF, BR

Instituto de Pesquisas Espaciais

SP, BR

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Inventors

K. S. (pessoa física)

Technical data

IPC Classification

H01Q 11/08H01Q 21/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/20/1988

RPI 935

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Deferimento

#9.1

05/24/1988

RPI 918

Exigência - art. 36 da LPI

#6.1

02/20/1985

RPI 748

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

11/23/1982

RPI 631

Publicação antecipada

#3.2

04/13/1982

RPI 599

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

09/20/1994

RPI 1242

20.4

06/19/1990

RPI 1023

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