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Official data from INPI

FIBRAS,BARRAS DE FILTRO E OUTROS ARTIGOS NAO TECIDOS DE UM POLIESTER DERIVADO DE ACIDO TEREFTALICO

ConcedidaInvention Patent

Application data

Number

PI7707956

Type

Invention Patent

Filing

12/06/1976

Publication

-

Progress at the INPI

  1. Filing12/06/76
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant09/27/83
  6. Expired07/20/93

The letters patent expired on 07/20/1993: 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EASTMAN KODAK CO

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Inventors

J. W. (pessoa física)

K. H. (pessoa física)

M. G. (pessoa física)

S. C. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

15.0

03/16/1982

RPI 595

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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