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Official data from INPI

Materiais diazótipos termoreveláveis que contém um precursor de ativador que libera uma base forte durante o aquecimento.

ConcedidaInvention Patent

Application data

Number

PI8109006

Type

Invention Patent

Filing

11/19/1981

Publication

04/12/1983

Progress at the INPI

  1. Filing11/19/81
  2. Publication04/12/83
  3. Examination09/13/83
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Terminated08/07/90

The patent was granted on 10/29/1985 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. S. (pessoa física)

FR

Inventors

C. [. (pessoa física)

C. [. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 25958 · 12/02/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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