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Official data from INPI

Processo de repolpaçào de baixo espumamento para desfibramento de fibras secundárias e processo para produzir papel a partir de fibra secundária.

DeferidaInvention Patent

Application data

Number

PI8304283

Type

Invention Patent

Filing

08/09/1983

Publication

03/20/1984

Progress at the INPI

Awaiting grant fee payment
  1. Filing08/09/83
  2. Publication03/20/84
  3. Examination06/26/84
  4. Allowance02/09/88
  5. Grant
  6. In force

The application was allowed by the INPI on 02/09/1988. The grant of the letters patent is being processed.

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Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Economics Laboratory, Inc

See this company's full portfolio

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

US

406885 · 08/10/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/16/1988

RPI 930

Deferimento

#9.1

02/09/1988

RPI 903

Exigência - art. 36 da LPI

#6.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

03/20/1984

RPI 700

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

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