Official data from INPI

INSTALACAO PARA O TRATAMENTO DE AGUAS SERVIDAS CONSOANTES E PROCESSO DE LAMA ATIVADA

ConcedidaInvention Patent

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Application data

Number

PI7902239

Type

Invention Patent

Filing

04/15/1978

Publication

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Progress at the INPI

Filing04/15/78
Publication
Examination
Allowance01/24/84
Grant07/31/84
Terminated09/25/90

The patent was granted on 07/31/1984 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: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. B. (pessoa física)

Inventors

B. B. (pessoa física)

D. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

From the same holder

INSTALACAO PARA O TRATAMENTO DE AGUAS SERVIDAS SEGUNDO O PROCESSO DE LAMA ATIVADA

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