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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE UM PRODUTO POLIMÉRICO EXTRUDADO E EXTRUSOR PARA O MESMO

Em AnáliseInvention Patent

Application data

Number

PI8506603

Type

Invention Patent

Filing

04/12/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/12/85
  2. Publication04/15/86
  3. Examination06/30/87
  4. Allowance06/01/93
  5. Grant05/31/94
  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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Osi Specialties, Inc

US

Rapra Technology Limited

GB

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

A. S. (pessoa física)

CH

G. G. (pessoa física)

GB

Technical data

Priority claims

US

599.954 · 04/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.11

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

14.4

12/30/1986

RPI 845

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Carta-patente expirada

#21.1

Patente extinta em 12/04/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

09/19/1995

RPI 1294

Concessão da patente

#16.1

05/31/1994

RPI 1226

9.1.3

07/13/1993

RPI 1180

Deferimento

#9.1

06/01/1993

RPI 1174

Exigência - art. 36 da LPI

#6.1

08/13/1991

RPI 1080

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