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Official data from INPI

SUSPENSÃO AQUOSA DE CARVÃO

DeferidaInvention Patent

Application data

Number

PI8202978

Type

Invention Patent

Filing

05/24/1982

Publication

05/03/1983

Progress at the INPI

Awaiting grant fee payment
  1. Filing05/24/82
  2. Publication05/03/83
  3. Examination02/20/85
  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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Snamprogetti S.p.a

IT

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Inventors

E. C. (pessoa física)

IT

E. F. (pessoa física)

IT

F. F. (pessoa física)

IT

G. G. (pessoa física)

IT

P. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21885A/81 · 05/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/20/1988

RPI 948

Deferimento

#9.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

05/03/1983

RPI 654

Pedido de patente depositado

#2.1

07/13/1982

RPI 612

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