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Official data from INPI

DISPOSITIVO DE LUBRIFICACAO

Em AnáliseInvention Patent

Application data

Number

PI7702838

Type

Invention Patent

Filing

08/23/1976

Publication

-

Progress at the INPI

  1. Filing08/23/76
  2. Publication
  3. Examination
  4. Allowance05/18/82
  5. Grant11/30/82
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOUDAILLE INDUSTRIES INC

Inventors

C. J. (pessoa física)

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/29/1986

RPI 823

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/08/1982

RPI 620

Deferimento

#9.1

05/18/1982

RPI 604

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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