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Official data from INPI

PROTECAO CONTRA CALOR PARA APARELHO DE FORMACAO DE VIDRO POR FLUTUACAO

Em AnáliseInvention Patent

Application data

Number

PI7705504

Type

Invention Patent

Filing

08/18/1976

Publication

-

Progress at the INPI

  1. Filing08/18/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/28/83
  6. Terminated12/15/87

The patent was granted on 06/28/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIBBEY OWENS FORD CO

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Inventors

D. L. (pessoa física)

M. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

Indeferimento

#9.2

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

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