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Official data from INPI

REVESTIMENTO PARA UM CAPO DE MOTOR PARA AUTOMOVEIS,E PROCESSO PARA SUA PRODUCAO

Em AnáliseInvention Patent

Application data

Number

PI7601863

Type

Invention Patent

Filing

03/27/1975

Publication

-

Progress at the INPI

  1. Filing03/27/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated05/14/85

The patent was granted on 02/24/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/14/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DYNAMIT NOBEL AG

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Inventors

A. F. (pessoa física)

B. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/14/1985

RPI 760

Cessão de direito de exploração

#22.1

11/06/1984

RPI 733

201

09/20/1983

RPI 674

Pedido de licença voluntária

#17.1

04/12/1983

RPI 651

Concessão da patente

#16.1

02/24/1982

RPI 592

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