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Official data from INPI

APERFEICOAMENTO EM UM PROCESSO PARA APLICAR SIMULTANEAMENTE UMA PLURALIDADE DE CAMADAS DE COMPOSICOES DE REVESTIMENTOS LIQUIDAS A UMA TELA EM MOVIMENTO,E PARA FABRICAR UM ELEMENTO FOTOGRAFICO

Em AnáliseInvention Patent

Application data

Number

PI7701735

Type

Invention Patent

Filing

03/22/1976

Publication

-

Progress at the INPI

  1. Filing03/22/76
  2. Publication
  3. Examination
  4. Allowance04/27/82
  5. Grant
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/31/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EASTMAN KODAK CO

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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).

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

15.0

12/01/1981

RPI 580

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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