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Official data from INPI

EQUIPAMENTO DE DISCAGEM A RAMAL CIA TERMINAL TELEFÔNICO

Em AnáliseInvention Patent
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Application data

Number

PI8305467

Type

Invention Patent

Filing

09/29/1983

Publication

05/07/1985
View on INPI

Progress at the INPI

  1. Filing09/29/83
  2. Publication05/07/85
  3. Examination05/06/86
  4. Allowance07/18/89
  5. Grant03/20/90
  6. Expired07/01/08

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.

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. N. (pessoa física)

DF, BR

Inventors

N. N. (pessoa física)

Technical data

IPC Classification

H04M 3/42H04Q 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

15.19

10/27/1987

RPI 888

Retificação

#15.3

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

05/26/1987

RPI 866

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

05/07/1985

RPI 759

Pedido de patente depositado

#2.1

12/13/1983

RPI 686

Carta-patente expirada

#21.1

Patente extinta em 29/09/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/20/1990

RPI 1010

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