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Official data from INPI

EXTRATOR DO DIFUSOR SECUNDÁRIO COMPLETO

Prazo de SigiloUtility Model

Application data

Number

MU6900704

Type

Utility Model

Filing

04/28/1989

Publication

02/26/1991

Progress at the INPI

  1. Filing04/28/89
  2. Publication02/26/91
  3. Examination03/31/92
  4. Allowance08/03/93
  5. Grant06/28/94
  6. Terminated12/31/96

The patent was granted on 06/28/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. M. (pessoa física)

MG, BR

R. M. (pessoa física)

MG, BR

Inventors

M. M. (pessoa física)

BR

R. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Republicação - classificação IPC

#15.11

03/01/1995

RPI 1265

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/03/1993

RPI 1183

Solicitação de exame técnico

#4.1

03/31/1992

RPI 1113

Publicação do pedido de patente

#3.1

02/26/1991

RPI 1056

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