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Official data from INPI

GAXETA (DE VEDAÇÃO) PLANA.

Em AnáliseInvention Patent

Application data

Number

PI8008150

Type

Invention Patent

Filing

12/12/1980

Publication

-

Progress at the INPI

  1. Filing12/12/80
  2. Publication
  3. Examination09/20/83
  4. Allowance04/24/84
  5. Grant10/29/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 04/07/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Flexitallic Gaskets Limited.

GB

Inventors

B. G. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

7943297 · 12/15/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

04/07/1987

RPI 859

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

09/17/1985

RPI 778

110

07/02/1985

RPI 767

Recurso

#12.1

08/14/1984

RPI 721

Deferimento

#9.1

04/24/1984

RPI 705

Pedido de certificado de adição de invenção

#5.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

09/20/1983

RPI 674

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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