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Official data from INPI

PROCESSO DE PREPARACAO DE COMPOSTOS CORANTES E A APLICACAO DOS MESMOS PARA COLORACAO DE MATERIAS ARTIFICIAIS OU SINTETICAS

Em AnáliseInvention Patent

Application data

Number

PI8000326

Type

Invention Patent

Filing

01/19/1979

Publication

-

Progress at the INPI

  1. Filing01/19/79
  2. Publication
  3. Examination
  4. Allowance01/10/84
  5. Grant09/25/84
  6. Terminated06/21/88

The patent was granted on 09/25/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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Inventors

R. M. (pessoa física)

Technical data

IPC Classification

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

09/25/1984

RPI 727

14.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Republicação - classificação IPC

#15.11

06/07/1983

RPI 659

Exigência - art. 36 da LPI

#6.1

04/19/1983

RPI 652

6.2

11/23/1982

RPI 631

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