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Official data from INPI

Dispositivo para fechamento.

Em AnáliseUtility Model

Application data

Number

MU6101150

Type

Utility Model

Filing

08/20/1981

Publication

03/29/1983

Progress at the INPI

  1. Filing08/20/81
  2. Publication03/29/83
  3. Examination02/12/85
  4. Allowance07/08/86
  5. Grant03/31/87
  6. Expired11/22/94

The letters patent expired on 11/22/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. G. (pessoa física)

Inventors

G. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

15.19

10/13/1987

RPI 886

Retificação

#15.3

09/15/1987

RPI 882

Concessão da patente

#16.1

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

02/12/1985

RPI 747

Publicação do pedido de patente

#3.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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