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Official data from INPI

REATOR ELETRÔNICO COM DETECTOR DE FILAMENTO ABERTO

Prazo de SigiloUtility Model

Application data

Number

MU6802773

Type

Utility Model

Filing

12/19/1988

Publication

08/14/1990

Progress at the INPI

  1. Filing12/19/88
  2. Publication08/14/90
  3. Examination10/30/90
  4. Allowance11/16/93
  5. Grant06/28/94
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Keiko do Brasil Indústria e Comércio Ltda

SP, BR

Inventors

N. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

05/23/1989

RPI 970

Carta-patente expirada

#21.1

Patente extinta em 19/12/1998

07/01/2008

RPI 1956

320

09/09/1997

RPI 1397

Anuidade - prazo legal encerrado

#18.2

09/02/1997

RPI 1396

300

06/18/1996

RPI 1333

201

01/09/1996

RPI 1310

Pedido de licença voluntária

#17.1

08/01/1995

RPI 1287

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/16/1993

RPI 1198

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Publicação do pedido de patente

#3.1

08/14/1990

RPI 1028

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