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Official data from INPI

QUADRO PARA RECADOS

ConcedidaUtility Model

Application data

Number

MU6501271

Type

Utility Model

Filing

08/29/1985

Publication

04/07/1987

Progress at the INPI

  1. Filing08/29/85
  2. Publication04/07/87
  3. Examination06/09/87
  4. Allowance06/06/89
  5. Grant10/24/89
  6. Expired09/12/95

The letters patent expired on 09/12/1995: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. U. (pessoa física)

SP, BR

Inventors

M. U. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

10/03/1989

RPI 989

Deferimento

#9.1

06/06/1989

RPI 972

Exigência - art. 36 da LPI

#6.1

02/08/1989

RPI 955

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

04/07/1987

RPI 859

Pedido de patente depositado

#2.1

11/26/1985

RPI 788

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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