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Official data from INPI

APARELHO PARA FORMAR UM TUBO REVESTIDO COM PLÁSTICO

Em AnáliseInvention PatentPCT · GB1987000753

Application data

Number

PI8707511

Type

Invention Patent

Filing

10/23/1987

Publication

02/21/1989

PCT

GB1987000753

Progress at the INPI

  1. Filing10/23/87
  2. Publication02/21/89
  3. Examination10/17/89
  4. Allowance05/30/95
  5. Grant10/31/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Kitechnology (U.K.) Limited

GB

Inventors

I. B. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8625432 · 10/23/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/17/1989

RPI 991

Notificação de entrada na fase nacional - PCT

#1.3

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 23/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

05/30/1995

RPI 1278

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

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