Official data from INPI

NOVO PROCESSO PARA A OBTENCAO DE CRISTAL VIOLETA E CORANTES CORRELATOS

Em AnáliseInvention Patent

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Application data

Number

PI8103521

Type

Invention Patent

Filing

06/03/1981

Publication

01/11/1983

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Progress at the INPI

Filing06/03/81
Publication01/11/83
Examination07/05/83
Allowance04/16/85
Grant10/01/85
Terminated06/21/88

The patent was granted on 10/01/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INST PESQUISAS MARINHA [BR]

Inventors

G. B. (pessoa física)

G. A. (pessoa física)

Technical data

IPC Classification

C09B 11/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

01/11/1983

RPI 638

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