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Official data from INPI

APARELHAGEM PARA A FABRICAÇÃO DE TUBOS DE MATÉRIA PLÁSTICA MOLECULARMENTE ORIENTADA

Em AnáliseInvention Patent

Application data

Number

PI8502147

Type

Invention Patent

Filing

05/06/1985

Publication

01/07/1986

Progress at the INPI

  1. Filing05/06/85
  2. Publication01/07/86
  3. Examination12/15/87
  4. Allowance07/11/89
  5. Grant02/06/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Draka Polva B.V.

NL

Inventors

J. K. (pessoa física)

NL

K. E. (pessoa física)

NL

P. K. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

FR

84.07182 · 05/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Solicitação de exame técnico

#4.1

12/15/1987

RPI 895

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Carta-patente expirada

#21.1

Patente extinta em 06/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

02/06/1990

RPI 1005

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