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Official data from INPI

ELEMENTO FILTRANTE

ConcedidaUtility Model

Application data

Number

MU6500881

Type

Utility Model

Filing

06/27/1985

Publication

11/19/1985

Progress at the INPI

  1. Filing06/27/85
  2. Publication11/19/85
  3. Examination04/15/86
  4. Allowance12/27/88
  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.

Talk to a specialist

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

Applicants and inventors

Applicants

Açoplast Indústria e Comércio Ltda.

SP, BR

Inventors

J. G. (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

05/02/1989

RPI 967

Republicação - classificação IPC

#15.11

01/10/1989

RPI 951

Deferimento

#9.1

12/27/1988

RPI 949

Solicitação de exame técnico

#4.1

04/15/1986

RPI 808

Publicação antecipada

#3.2

11/19/1985

RPI 787

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Carta-patente expirada

#21.1

10/03/1995

RPI 1296

Cessão de direito de exploração

#22.1

07/27/1993

RPI 1182

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