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Official data from INPI

PROCESSO DE APARELHO PARA CONTROLAR O FLUXO DE AR EM FORNOS REGENERATIVOS DE FUNDICAO DE VIDRO

ConcedidaInvention Patent

Application data

Number

PI8101005

Type

Invention Patent

Filing

02/22/1980

Publication

-

Progress at the INPI

  1. Filing02/22/80
  2. Publication
  3. Examination08/09/83
  4. Allowance06/11/85
  5. Grant02/04/86
  6. Terminated02/04/92

The patent was granted on 02/04/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LIBBEY OWENS FORD CO

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Inventors

B. A. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

09/24/1985

RPI 779

Deferimento

#9.1

06/11/1985

RPI 764

Republicação - classificação IPC

#15.11

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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