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Official data from INPI

PROCESSO E DISPOSITIVO PARA A FORMACAO DE UM FILME DE OXIDO METALICO SOBRE UMA SUPERFICIE DE VIDRO

Em AnáliseInvention Patent

Application data

Number

PI7701910

Type

Invention Patent

Filing

03/29/1976

Publication

-

Progress at the INPI

  1. Filing03/29/76
  2. Publication
  3. Examination
  4. Allowance03/30/82
  5. Grant
  6. Terminated05/10/88

The patent was granted 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIPPON SHEET GLASS CO LTD

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

Republicação - classificação IPC

#15.11

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

07/20/1982

RPI 613

Deferimento

#9.1

03/30/1982

RPI 597

15.0

10/20/1981

RPI 574

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