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Official data from INPI

CAPA DE PROTECAO/DISTANCIADOR DE REGISTROS

Em AnáliseUtility Model

Application data

Number

MU6400248

Type

Utility Model

Filing

02/20/1984

Publication

09/24/1985

Progress at the INPI

  1. Filing02/20/84
  2. Publication09/24/85
  3. Examination08/05/86
  4. Allowance04/26/88
  5. Grant12/27/88
  6. Expired10/04/94

The letters patent expired on 10/04/1994: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOLU YAMAMOTO [BR]

Inventors

Y. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/17/1989

RPI 991

Concessão da patente

#16.1

12/27/1988

RPI 949

Notificação para pagamento de retribuição

#13.1

08/09/1988

RPI 929

Deferimento

#9.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

12/08/1987

RPI 894

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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