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Official data from INPI

Calibrador eletromagnético para penetração de ar.

ArquivadaInvention Patent

Application data

Number

PI8108002

Type

Invention Patent

Filing

12/09/1981

Publication

09/13/1983

Progress at the INPI

  1. Filing12/09/81
  2. Publication09/13/83
  3. Abandoned01/22/85
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Changer - Tecnologia e Patentes Ltda.

RS, BR

See this company's full portfolio

Inventors

C. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.3

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

01/27/1987

RPI 849

Exigência - art. 36 da LPI

#6.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

01/22/1985

RPI 744

Publicação do pedido de patente

#3.1

09/13/1983

RPI 673

Pedido de patente depositado

#2.1

02/02/1982

RPI 589

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