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Official data from INPI

CONJUGADO EM PELICULA,APERFEICOAMENTO EM EMBALAGEM DE ARTIGO ENROLADO EM PELICULA,APERFEICOAMENTO EM PROCESSO PARA PREPARAR UMA EMBALAGEM,BORRACHA COMPOSTA DE ALTO GRAU DE INSATURACAO,E POLIMERO TERMOPLASTICO

ConcedidaInvention Patent

Application data

Number

PI7808160

Type

Invention Patent

Filing

12/23/1977

Publication

-

Progress at the INPI

  1. Filing12/23/77
  2. Publication
  3. Examination
  4. Allowance10/25/83
  5. Grant03/27/84
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

R. M. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

04/06/1982

RPI 598

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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