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Official data from INPI

VIDROS SUSCETIVEIS DE SEREM TRANSFORMADOS EM FIBRAS

ConcedidaInvention Patent

Application data

Number

PI7908003

Type

Invention Patent

Filing

12/08/1978

Publication

-

Progress at the INPI

  1. Filing12/08/78
  2. Publication
  3. Examination08/31/82
  4. Allowance08/28/84
  5. Grant04/30/85
  6. Expired05/02/95

The letters patent expired on 05/02/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. G. (pessoa física)

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Inventors

B. J. (pessoa física)

B. F. (pessoa física)

F. I. (pessoa física)

M. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

08/28/1984

RPI 723

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

6.2

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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