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Official data from INPI

DISPOSITIVO PARA O TRATAMENTO LÍQUIDO DE UMA SUSPENSÃO DE MATERIAL FIBROSO CELULÓSICO E MÉTODO PARA TRATAR UMA SUSPENSÃO DE MATERIAL FIBROSO CELULÓSICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003019

Type

Invention Patent

Filing

06/28/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/28/90
  2. Publication08/20/91
  3. Abandoned09/28/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/18/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kamyr, Inc.

US

See this company's full portfolio

Inventors

E. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

372.447 · 06/28/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente a 7ª, 8ª, 9ª e 10ª anuidade

04/18/2000

RPI 1528

8.1

Referente a 7ª e 8ª anuidade

12/22/1998

RPI 1459

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Solicitação de exame técnico

#4.1

09/28/1993

RPI 1191

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

11/13/1990

RPI 1041

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