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Official data from INPI

ELEMENTO FILTRANTE

Em AnáliseUtility Model

Application data

Number

MU6501785

Type

Utility Model

Filing

11/14/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/14/85
  2. Publication06/09/87
  3. Examination02/06/90
  4. Allowance05/03/94
  5. Grant11/29/94
  6. Expired12/19/95

The letters patent expired on 12/19/1995: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commercial Intertech do Brasil Ltda.

SP, BR

Inventors

E. J. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

11/14/1989

RPI 995

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

03/11/1986

RPI 803

Carta-patente expirada

#21.1

12/19/1995

RPI 1307

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/30/1994

RPI 1239

Deferimento

#9.1

05/03/1994

RPI 1222

14.7

12/07/1993

RPI 1201

Exigência - art. 36 da LPI

#6.1

09/08/1993

RPI 1188

Exigência - art. 36 da LPI

#6.1

10/22/1991

RPI 1090

Solicitação de exame técnico

#4.1

02/06/1990

RPI 1005

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