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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM ESCORREDOR

ConcedidaUtility Model

Application data

Number

MU6501142

Type

Utility Model

Filing

08/09/1985

Publication

03/17/1987

Progress at the INPI

  1. Filing08/09/85
  2. Publication03/17/87
  3. Examination06/09/87
  4. Allowance11/01/88
  5. Grant08/29/89
  6. Expired10/03/95

The letters patent expired on 10/03/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stillo Metalúrgica Ltda

SP, BR

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Inventors

C. L. (pessoa física)

BR

M. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Exigência - art. 36 da LPI

#6.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

03/17/1987

RPI 856

Pedido de patente depositado

#2.1

10/22/1985

RPI 783

Carta-patente expirada

#21.1

10/03/1995

RPI 1296

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