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Official data from INPI

PROCESSO PARA A FABRICACAO DE SUPERFICIES SELETIVAMENTE ABSORVENTES

Em AnáliseInvention Patent
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Application data

Number

PI7800749

Type

Invention Patent

Filing

02/09/1977

Publication

-
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Progress at the INPI

  1. Filing02/09/77
  2. Publication
  3. Examination
  4. Allowance08/07/84
  5. Grant03/26/85
  6. Terminated10/03/89

The patent was granted on 03/26/1985 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

DORNIER SYSTEM GMBH

Inventors

D. G. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

C25D 11/02C25D 3/02C25D 5/00C25D 7/00F24J 3/02

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

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Exigência - art. 36 da LPI

#6.1

11/22/1983

RPI 683

Exigência - art. 36 da LPI

#6.1

05/31/1983

RPI 658

6.2

01/19/1982

RPI 587

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