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Official data from INPI

DISPOSICOES INTRODUZIDAS EM PORCA

ConcedidaUtility Model

Application data

Number

MU6401130

Type

Utility Model

Filing

07/16/1984

Publication

02/25/1986

Progress at the INPI

  1. Filing07/16/84
  2. Publication02/25/86
  3. Examination12/02/86
  4. Allowance09/01/87
  5. Grant05/31/88
  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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TAKEO ABE [BR]

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

02/25/1986

RPI 801

Pedido de patente depositado

#2.1

09/18/1984

RPI 726

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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