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Official data from INPI

PENEIRA PARA LIMPEZA, SEPARAÇÃO OU CLASSIFICAÇÃO GRANULOMÉTRICA DE PRODUTOS SÓLIDOS

Prazo de SigiloUtility Model

Application data

Number

MU6900280

Type

Utility Model

Filing

02/27/1989

Publication

11/27/1990

Progress at the INPI

  1. Filing02/27/89
  2. Publication11/27/90
  3. Examination03/19/91
  4. Allowance09/21/93
  5. Grant06/28/94
  6. Expired11/20/01

The letters patent expired on 11/20/2001: 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: 04/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Moinhos Indústria e Comércio Tecmolin Ltda

SP, BR

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Inventors

L. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 27/02/1999 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).

11/20/2001

RPI 1611

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

02/22/1994

RPI 1212

Deferimento

#9.1

09/21/1993

RPI 1190

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação do pedido de patente

#3.1

11/27/1990

RPI 1043

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