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Official data from INPI

INSTRUMENTO TELEFONICO DE MULTIPLAS LINHAS

Em AnáliseInvention Patent

Application data

Number

PI8102533

Type

Invention Patent

Filing

04/28/1980

Publication

01/05/1982

Progress at the INPI

  1. Filing04/28/80
  2. Publication01/05/82
  3. Examination05/10/83
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Terminated05/24/88

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.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INT STANDARD ELECTRIC CORP [US]

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Inventors

D. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Publicação do pedido de patente

#3.1

01/05/1982

RPI 585

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