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Official data from INPI

PROCESSO E APARELHO PARA CURVATURA DE FOLHAS DE VIDRO

ConcedidaInvention Patent

Application data

Number

PI7704932

Type

Invention Patent

Filing

07/28/1976

Publication

-

Progress at the INPI

  1. Filing07/28/76
  2. Publication
  3. Examination
  4. Allowance03/01/83
  5. Grant07/26/83
  6. Terminated01/21/92

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIBBEY OWENS FORD CO

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Inventors

H. T. (pessoa física)

H. D. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

Deferimento

#9.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

01/19/1982

RPI 587

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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