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Official data from INPI

APARELHO DE SOLDAGEM CENTRIFUGA PARA SOLDAR DUAS PARTES DE UM ARTIGO

Em AnáliseInvention Patent

Application data

Number

PI8602331

Type

Invention Patent

Filing

05/22/1986

Publication

01/21/1987

Progress at the INPI

  1. Filing05/22/86
  2. Publication01/21/87
  3. Examination06/14/88
  4. Allowance10/13/93
  5. Grant05/31/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carnaudmetalbox PLC

GB

See this company's full portfolio

Inventors

J. B. (pessoa física)

GB

K. C. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8513240 · 05/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/14/1988

RPI 921

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

11/18/1986

RPI 839

Carta-patente expirada

#21.1

Patente extinta em 22/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/13/1993

RPI 1193

14.4

07/13/1993

RPI 1180

14.4

07/02/1991

RPI 1074

14.4

06/25/1991

RPI 1073

14.4

06/18/1991

RPI 1072

14.7

06/18/1991

RPI 1072

14.7

06/11/1991

RPI 1071

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