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Official data from INPI

PROCESSO E DISPOSITIVO PARA A PRODUCAO DE UMA FORMACAO UNIFORME E CONTINUA DE FIBRAS

Em AnáliseInvention Patent

Application data

Number

PI7800613

Type

Invention Patent

Filing

02/02/1977

Publication

-

Progress at the INPI

  1. Filing02/02/77
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Grant02/28/84
  6. Terminated10/03/89

The patent was granted on 02/28/1984 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

TRUETZSCHLER & CO

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Inventors

B. W. (pessoa física)

L. F. (pessoa física)

T. 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

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

Conhecimento de parecer técnico

#7.1

09/08/1982

RPI 620

6.2

01/26/1982

RPI 588

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