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Official data from INPI

PROCESSO PARA FABRICACAO DE FILAMENTOS DE POLIMERO DE ALTA RESISTENCIA A TRACAO DE ALTO MODULO,E FILAMENTOS ASSIM OBTIDOS

ConcedidaInvention Patent

Application data

Number

PI8000775

Type

Invention Patent

Filing

02/08/1979

Publication

-

Progress at the INPI

  1. Filing02/08/79
  2. Publication
  3. Examination
  4. Allowance10/23/84
  5. Grant04/30/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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

STAMICARBON

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Inventors

L. P. (pessoa física)

P. A. (pessoa física)

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/23/1984

RPI 731

Conhecimento de parecer técnico

#7.1

06/19/1984

RPI 713

Conhecimento de parecer técnico

#7.1

10/11/1983

RPI 677

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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