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Official data from INPI

FILTRO PARA ÓLEO DE COZINHA

ConcedidaUtility Model

Application data

Number

MU6400545

Type

Utility Model

Filing

04/16/1984

Publication

11/19/1985

Progress at the INPI

  1. Filing04/16/84
  2. Publication11/19/85
  3. Examination10/20/87
  4. Allowance11/01/88
  5. Grant09/26/89
  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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T-Fal Artigos Domésticos Ltda

SP, BR

See this company's full portfolio

Inventors

F. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

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

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

Republicação - classificação IPC

#15.11

12/29/2009

RPI 2034

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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