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Official data from INPI

APERFEIÇOAMENTO EM INSTALAÇÃO DE MÁQUINA E VEDAÇÃO DE EIXO DE TIPO RADIAL

Em AnáliseInvention Patent

Application data

Number

PI7505792

Type

Invention Patent

Filing

09/09/1975

Publication

-

Progress at the INPI

  1. Filing09/09/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. C. (pessoa física)

US

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Inventors

J. L. (pessoa física)

US

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

506,057 · 09/16/1974

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

332

03/29/1988

RPI 910

336

09/25/1984

RPI 727

201

02/14/1984

RPI 695

Pedido de licença voluntária

#17.1

09/06/1983

RPI 672

Concessão da patente

#16.1

07/27/1982

RPI 614

110

02/09/1982

RPI 590

Carta-patente expirada

#21.1

Patente extinta em 09/09/90

08/19/2008

RPI 1963

312

03/19/1991

RPI 1059

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