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Official data from INPI

Massas de revestimento para a preparação de um material de desenho, folha reveladora de cor, suporte de camada e processo para a preparação de um material de desenho.

ConcedidaInvention Patent

Application data

Number

PI8001638

Type

Invention Patent

Filing

03/19/1980

Publication

-

Progress at the INPI

  1. Filing03/19/80
  2. Publication
  3. Examination01/11/83
  4. Allowance09/18/84
  5. Grant03/26/85
  6. Terminated02/04/92

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

C. M. (pessoa física)

Technical data

IPC Classification

Priority claims

AU

2073/79-1 · 03/20/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

6.5

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

01/11/1983

RPI 638

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B41M 5/12.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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