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Official data from INPI

PROCESSO PARA PRODUZIR UM VIDRO FOTOCROMICO E VIDRO FOTOCROMICO OBTIDO

ArquivadaInvention Patent

Application data

Number

PI8004828

Type

Invention Patent

Filing

08/09/1979

Publication

-

Progress at the INPI

  1. Filing08/09/79
  2. Publication
  3. Examination08/24/82
  4. Allowance07/10/84
  5. Abandoned
  6. In force

The application was allowed on 07/10/1984 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 07/02/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PILKINGTON BROTHERS LTD

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/02/1985

RPI 767

Notificação para pagamento de retribuição

#13.1

10/23/1984

RPI 731

Deferimento

#9.1

07/10/1984

RPI 716

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

08/24/1982

RPI 618

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