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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM CORPO DE SEPARADOR DE PARTÍCULAS

Em AnáliseUtility Model

Application data

Number

MU6700076

Type

Utility Model

Filing

01/20/1987

Publication

08/16/1988

Progress at the INPI

  1. Filing01/20/87
  2. Publication08/16/88
  3. Examination11/22/88
  4. Allowance11/13/90
  5. Grant06/25/91
  6. Terminated10/31/95

The patent was granted on 06/25/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Comercial e Industrial Petropasy Ltda.

SP, BR

Inventors

J. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Publicação do pedido de patente

#3.1

08/16/1988

RPI 930

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Anuidade - prazo legal encerrado

#18.2

10/31/1995

RPI 1300

22.9

11/16/1993

RPI 1198

22.5

10/05/1993

RPI 1192

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

02/26/1991

RPI 1056

Deferimento

#9.1

11/13/1990

RPI 1041

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