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Official data from INPI

CENTRÍFUGA PARA SEPARAR E CONCENTRAR AMIDO

ConcedidaUtility Model

Application data

Number

MU6100269

Type

Utility Model

Filing

02/19/1981

Publication

10/05/1982

Progress at the INPI

  1. Filing02/19/81
  2. Publication10/05/82
  3. Examination03/01/83
  4. Allowance08/18/87
  5. Grant08/29/89
  6. Expired11/22/94

The letters patent expired on 11/22/1994: 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

W. S. (pessoa física)

SC, BR

Inventors

W. S. (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

Retificação

#15.6

05/16/1989

RPI 969

Alteração de numeração

#15.1

12/13/1988

RPI 947

Notificação para pagamento de retribuição

#13.1

12/15/1987

RPI 895

Deferimento

#9.1

08/18/1987

RPI 878

11.8

06/02/1987

RPI 867

Retificação

#15.3

12/02/1986

RPI 841

8.1

11/05/1985

RPI 785

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Pedido de certificado de adição de invenção

#5.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

03/01/1983

RPI 645

Publicação do pedido de patente

#3.1

10/05/1982

RPI 624

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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