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Official data from INPI

PROCESSO PARA PREPARAR A SUPERFICÍE DE SAIDA DE FIANDEIRAS COM ÓLEO DE PREPARAÇÃO E APARELHO PARA APLICAR ESTES ÓLEOS.

Concessão AnuladaInvention Patent

Application data

Number

PI7801841

Type

Invention Patent

Filing

03/27/1978

Publication

-

Progress at the INPI

  1. Filing03/27/78
  2. Publication
  3. Examination
  4. Allowance09/27/83
  5. Grant03/27/84
  6. Terminated06/29/93

The patent was granted on 03/27/1984 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AKZO N.V.

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Inventors

H. W. (pessoa física)

W. D. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P: 27 13 601.2 · 03/28/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/17/1984

RPI 691

Deferimento

#9.1

09/27/1983

RPI 675

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

15.0

08/10/1982

RPI 616

6.2

01/19/1982

RPI 587

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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