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Official data from INPI

PROCESSO PARA A PREPARACAO DE UMA COMPOSICAO ABSORVENTE DE FLUIDO AQUOSO

Em AnáliseInvention Patent
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Application data

Number

PI7708027

Type

Invention Patent

Filing

12/06/1976

Publication

-
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Progress at the INPI

  1. Filing12/06/76
  2. Publication
  3. Examination
  4. Allowance01/04/83
  5. Grant07/26/83
  6. Terminated12/15/87

The patent was granted on 07/26/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. W. (pessoa física)

F. G. (pessoa física)

STOUT E

Inventors

D. W. (pessoa física)

F. G. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

C08F 251/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/04/1983

RPI 637

8.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

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