Official data from INPI

PROCESSO DE CARBONIZACAO DA MADEIRA E/OU OUTRAS MATERIAS PRIMAS ORGANICAS

Em AnáliseInvention Patent

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Application data

Number

PI7600688

Type

Invention Patent

Filing

01/08/1976

Publication

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Progress at the INPI

Filing01/08/76
Publication
Examination
Allowance04/03/84
Grant01/29/85
Terminated11/17/87

The patent was granted on 01/29/1985 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

Inventors

S. A. (pessoa física)

Technical data

IPC Classification

C10B 53/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

08/07/1984

RPI 720

Deferimento

#9.1

04/03/1984

RPI 702

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

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