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Official data from INPI

DISPOSITIVO DE LUBRIFICACAO

ArquivadaInvention Patent
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Application data

Number

PI8106134

Type

Invention Patent

Filing

09/26/1980

Publication

06/15/1982
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Progress at the INPI

  1. Filing09/26/80
  2. Publication06/15/82
  3. Abandoned07/10/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SANDVIK AB

SKF AB

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Inventors

K. L. (pessoa física)

N. L. (pessoa física)

Technical data

IPC Classification

E21B 10/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/10/1987

RPI 851

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/10/1981

RPI 577

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