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Official data from INPI

APLICACAO DE SILICATOS DE ALUMINIO HIDROINSOLUVEIS

Em AnáliseInvention Patent

Application data

Number

PI7903086

Type

Invention Patent

Filing

05/20/1978

Publication

-

Progress at the INPI

  1. Filing05/20/78
  2. Publication
  3. Examination
  4. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated10/03/89

The patent was granted on 10/01/1985 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HENKEL KGAA

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Inventors

J. H. (pessoa física)

P. J. (pessoa física)

S. K. (pessoa física)

S. M. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

06/26/1984

RPI 714

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