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Official data from INPI

APLICACAO DE SILICATOS DE ALUMINIO HIDROINSOLUVEIS

ConcedidaInvention Patent

Application data

Number

PI7903085

Type

Invention Patent

Filing

05/20/1978

Publication

-

Progress at the INPI

  1. Filing05/20/78
  2. Publication
  3. Examination
  4. Allowance07/10/84
  5. Grant01/29/85
  6. Terminated01/28/92

The patent was granted on 01/29/1985 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HENKEL KGAA

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Inventors

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).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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