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Official data from INPI

SEM TITULO

Em AnáliseUtility Model
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Application data

Number

MU6602339

Type

Utility Model

Filing

11/14/1986

Publication

06/28/1988
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Progress at the INPI

  1. Filing11/14/86
  2. Publication06/28/88
  3. Examination08/07/90
  4. Refused07/02/96
  5. Grant
  6. In force

The application was refused on 07/02/1996 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gallant Industria Eletrônica Ltda

SP, BR

Inventors

P. D. (pessoa física)

Technical data

IPC Classification

H04R 11/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

08/30/1988

RPI 932

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

05/05/1987

RPI 863

111

07/02/1996

RPI 1335

120

10/10/1995

RPI 1297

Petição de recurso

#12.2

08/06/1991

RPI 1079

Indeferimento

#9.2

04/30/1991

RPI 1065

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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