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Official data from INPI

PLACA DE TRANSFORMAÇÃO PARA TRANSFORMADORES ELETROACÚSTICOS.

IndeferidaInvention Patent

Application data

Number

PI8304684

Type

Invention Patent

Filing

08/29/1983

Publication

04/10/1984

Progress at the INPI

Under appeal
  1. Filing08/29/83
  2. Publication04/10/84
  3. Examination08/07/84
  4. Refused01/13/87
  5. Grant
  6. In force

The application was refused by the INPI on 01/13/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 32 32 177.5 · 08/30/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/13/1987

RPI 847

Conhecimento de parecer técnico

#7.1

02/18/1986

RPI 800

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

04/10/1984

RPI 703

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

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