Official data from INPI

PROCESSO PARA A PREPARACAO DE PELOTAS DE LAMA CONTENDO CARVAO APROVEITAVEIS COMO FERTILIZANTES E COMBUSTIVEL

Em AnáliseInvention Patent

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Application data

Number

PI7906712

Type

Invention Patent

Filing

03/20/1979

Publication

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Progress at the INPI

Filing03/20/79
Publication
Examination03/01/83
Allowance02/28/84
Grant08/28/84
Terminated07/12/88

The patent was granted on 08/28/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. S. (pessoa física)

Inventors

T. S. (pessoa física)

Technical data

IPC Classification

C02F 11/12 C02F 11/14 C05F 11/00 C05F 11/02 C05F 7/00 C10L 5/00 C10L 5/40 C10L 5/44 C10L 5/46

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

03/01/1983

RPI 645

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