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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE CORANTES DE METINA CATIÔNICOS

ConcedidaInvention Patent
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Application data

Number

PI8301461

Type

Invention Patent

Filing

03/22/1983

Publication

11/29/1983
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Progress at the INPI

  1. Filing03/22/83
  2. Publication11/29/83
  3. Examination04/01/86
  4. Allowance02/08/89
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

D. K. (pessoa física)

DE

D. L. (pessoa física)

DE

D. R. (pessoa física)

JP

Technical data

IPC Classification

C09B 23/10

Priority claims

DE

P3210596.7 · 03/23/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

02/08/1989

RPI 955

Deferimento

#9.1

12/13/1988

RPI 947

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

6.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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