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Official data from INPI

IMPLEMENTO ISOLANTE MOVEL E DOBRAVEL PARA RECIPIENTES DE ARMAZENAGEM E TRANSPORTE

ConcedidaInvention Patent

Application data

Number

PI8306424

Type

Invention Patent

Filing

11/26/1982

Publication

06/26/1984

Progress at the INPI

  1. Filing11/26/82
  2. Publication06/26/84
  3. Examination08/12/86
  4. Allowance11/10/87
  5. Grant07/26/88
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LONZA AG [CH]

Inventors

B. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Republicação - classificação IPC

#15.11

12/22/1987

RPI 896

Deferimento

#9.1

11/10/1987

RPI 890

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/26/1984

RPI 714

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Carta-patente expirada

#21.1

Patente extinta em 23/11/98

08/19/2008

RPI 1963

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