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Official data from INPI

PREPARADO DE TINGIMENTO LÍQUIDO, CONTENDO ÁGUA, DE UM CORANTE REATIVO

Em ExigênciaInvention Patent

Application data

Number

PI8405962

Type

Invention Patent

Filing

11/23/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing11/23/84
  2. Publication09/10/85
  3. Examination06/16/87
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Expired07/08/08

The letters patent expired on 07/08/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

See this company's full portfolio

Inventors

D. O. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 42 432.2 · 11/24/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

11/16/1988

RPI 943

Solicitação de exame técnico

#4.1

06/16/1987

RPI 869

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

02/12/1985

RPI 747

Carta-patente expirada

#21.1

Patente extinta em 23/11/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

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