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Official data from INPI

METODO E APARELHO PARA PROCESSAMENTO DE MATERIAL COMPRESSIVEL

Em AnáliseInvention Patent

Application data

Number

PI8108736

Type

Invention Patent

Filing

08/18/1980

Publication

06/22/1982

Progress at the INPI

  1. Filing08/18/80
  2. Publication06/22/82
  3. Examination05/02/84
  4. Allowance05/07/85
  5. Grant10/29/85
  6. Terminated05/24/88

The patent was granted on 10/29/1985 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OWENS CORNING FIBERGLASS CORP [US]

Inventors

B. J. (pessoa física)

D. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Solicitação de exame técnico

#4.1

05/02/1984

RPI 706

Notificação de entrada na fase nacional - PCT

#1.3

06/22/1982

RPI 609

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