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Official data from INPI

COMPOSICAO PARA TINTA DE IMPRESSAO E PROCESSO DE PREPARACAO DA MESMA

ConcedidaInvention Patent

Application data

Number

PI8100348

Type

Invention Patent

Filing

11/17/1980

Publication

08/17/1982

Progress at the INPI

  1. Filing11/17/80
  2. Publication08/17/82
  3. Examination09/25/84
  4. Allowance12/29/87
  5. Grant07/25/89
  6. Terminated02/04/92

The patent was granted on 07/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NL INDUSTRIES INC

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Inventors

F. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

110

11/01/1988

RPI 941

Recurso

#12.1

05/10/1988

RPI 916

14.1

04/12/1988

RPI 912

Deferimento

#9.1

12/29/1987

RPI 897

Conhecimento de parecer técnico

#7.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

09/25/1984

RPI 727

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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