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Official data from INPI

DISPOSITIVO DE ALIMENTAÇÃO PARA MATERIAIS DE BAIXA DENSIDADE

Prazo de SigiloInvention Patent

Application data

Number

PI8805942

Type

Invention Patent

Filing

11/14/1988

Publication

06/19/1990

Progress at the INPI

  1. Filing11/14/88
  2. Publication06/19/90
  3. Examination11/17/92
  4. Allowance05/31/94
  5. Grant12/27/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 04/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPM do Brasil Indústria e Comércio Ltda

SP, BR

Inventors

E. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/04/1989

RPI 963

Carta-patente expirada

#21.1

Patente extinta em 14/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

10/04/1994

RPI 1244

Deferimento

#9.1

05/31/1994

RPI 1226

Conhecimento de parecer técnico

#7.1

11/03/1993

RPI 1196

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

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