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Official data from INPI

PROCESSO DE PRODUÇÃO DE FILAMENTOS CONTÍNUOS DE VIDRO E APARELHAGEM DE PRODUÇÃO DE FILAMENTOS CONTÍNUOS A PARTIR DE CORRENTES DE VIDRO FUNDIDO

Em AnáliseInvention Patent

Application data

Number

PI8507013

Type

Invention Patent

Filing

09/11/1985

Publication

01/06/1987

Progress at the INPI

  1. Filing09/11/85
  2. Publication01/06/87
  3. Examination06/21/88
  4. Allowance06/04/91
  5. Grant02/04/92
  6. Terminated09/19/95

The patent was granted on 02/04/1992 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

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Inventors

D. E. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

666.707 · 10/31/1984

US

706.061 · 03/01/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1987

RPI 846

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

10/01/1991

RPI 1087

Deferimento

#9.1

06/04/1991

RPI 1070

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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