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Official data from INPI

TAMPA DE FÁCIL ABERTURA PARA LATAS EM GERAL

Arquivada/ExtintaUtility Model

Application data

Number

MU7100810

Type

Utility Model

Filing

04/19/1991

Publication

07/23/1991

Progress at the INPI

  1. Filing04/19/91
  2. Publication07/23/91
  3. Examination02/18/92
  4. Allowance08/16/94
  5. Grant05/30/95
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalúrgica Matarazzo S/A

SP, BR

Inventors

I. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/04/2001

07/01/2008

RPI 1956

Concessão da patente

#16.1

05/30/1995

RPI 1278

Notificação para pagamento de retribuição

#13.1

12/13/1994

RPI 1254

Deferimento

#9.1

08/16/1994

RPI 1237

Exigência - art. 36 da LPI

#6.1

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

02/18/1992

RPI 1107

Pedido de patente depositado

#2.1

07/23/1991

RPI 1077

Publicação antecipada

#3.2

07/23/1991

RPI 1077

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