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Official data from INPI

MONTAGEM DE VEDAÇÃO DE EIXO

Em AnáliseInvention Patent

Application data

Number

PI8200924

Type

Invention Patent

Filing

02/19/1982

Publication

-

Progress at the INPI

  1. Filing02/19/82
  2. Publication
  3. Examination06/12/84
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Howaldtswerke Deutsche Werft Aktiengesellschaft Hamburg Und Kiel

DE

Inventors

G. P. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 06 318.7 · 02/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/17/1988

RPI 904

20.4

02/09/1988

RPI 903

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Deferimento

#9.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

04/06/1982

RPI 598

Carta-patente expirada

#21.1

Patente extinta em 19/02/97

07/01/2008

RPI 1956

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