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Official data from INPI

DUPLA CAMARA DE AR

Em AnáliseUtility Model

Application data

Number

MU6300176

Type

Utility Model

Filing

02/18/1983

Publication

09/25/1984

Progress at the INPI

  1. Filing02/18/83
  2. Publication09/25/84
  3. Examination01/29/85
  4. Allowance10/13/87
  5. Grant03/29/88
  6. Terminated01/31/89

The patent was granted on 03/29/1988 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: 01/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SISIPHRO DA ROCHA PINTO [BR]

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/31/1989

RPI 954

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/13/1987

RPI 886

Retificação

#15.6

07/07/1987

RPI 872

Retificação

#15.3

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

07/08/1986

RPI 820

Conhecimento de parecer técnico

#7.1

11/05/1985

RPI 785

Solicitação de exame técnico

#4.1

01/29/1985

RPI 745

Publicação do pedido de patente

#3.1

09/25/1984

RPI 727

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

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