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Official data from INPI

DISPOSITIVO DE DUPLA FUNCAO

Em AnáliseInvention Patent

Application data

Number

PI8300327

Type

Invention Patent

Filing

01/24/1983

Publication

06/07/1983

Progress at the INPI

  1. Filing01/24/83
  2. Publication06/07/83
  3. Examination08/30/83
  4. Allowance07/02/85
  5. Grant02/25/86
  6. Terminated07/12/88

The patent was granted on 02/25/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

V. P. (pessoa física)

Inventors

A. [. (pessoa física)

V. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação antecipada

#3.2

06/07/1983

RPI 659

Pedido de patente depositado

#2.1

03/08/1983

RPI 646

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