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Official data from INPI

DISPOSIÇÃO PARA MELHORAR A RESPOSTA DE FREQUÊNCIA DE TRANSDUTORES ELETROACÚSTICOS

IndeferidaInvention Patent

Application data

Number

PI8200967

Type

Invention Patent

Filing

02/25/1982

Publication

02/08/1983

Progress at the INPI

Under appeal
  1. Filing02/25/82
  2. Publication02/08/83
  3. Examination04/02/85
  4. Refused01/10/89
  5. Grant
  6. In force

The application was refused by the INPI on 01/10/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

E. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 07 344,1 · 02/26/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/10/1989

RPI 951

Conhecimento de parecer técnico

#7.1

12/22/1987

RPI 896

Conhecimento de parecer técnico

#7.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

09/24/1985

RPI 779

Solicitação de exame técnico

#4.1

04/02/1985

RPI 754

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

Pedido de patente depositado

#2.1

04/13/1982

RPI 599

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