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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM ACIONAMENTO DE CAIXA DE DESCARGA

Arquivada/ExtintaUtility Model

Application data

Number

MU7001439

Type

Utility Model

Filing

07/30/1990

Publication

03/03/1992

Progress at the INPI

  1. Filing07/30/90
  2. Publication03/03/92
  3. Examination05/10/94
  4. Allowance04/28/98
  5. Grant03/30/99
  6. Expired08/26/08

The letters patent expired on 08/26/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/26/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cipla Indústria de Materiais de Construção S/A

SC, BR

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Inventors

J. 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 30/03/2006

08/26/2008

RPI 1964

Concessão da patente

#16.1

03/30/1999

RPI 1473

Alteração de nome deferida

#25.4

Alterado de: Cipla Indústria de Materiais de Construção Ltda

01/19/1999

RPI 1463

Deferimento

#9.1

04/28/1998

RPI 1427

Solicitação de exame técnico

#4.1

05/10/1994

RPI 1223

Publicação do pedido de patente

#3.1

03/03/1992

RPI 1109

Pedido de patente depositado

#2.1

12/04/1990

RPI 1044

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