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Official data from INPI

CABEÇOTE PARA O POLIMENTO DE LENTES.

Em AnáliseInvention Patent

Application data

Number

PI8003488

Type

Invention Patent

Filing

06/04/1980

Publication

-

Progress at the INPI

  1. Filing06/04/80
  2. Publication
  3. Examination07/26/83
  4. Allowance03/20/84
  5. Grant09/25/84
  6. Terminated09/26/89

The patent was granted on 09/25/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

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Inventors

D. W. (pessoa física)

F. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

045.902 · 06/06/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

09/25/1984

RPI 727

Deferimento

#9.1

03/20/1984

RPI 700

Solicitação de exame técnico

#4.1

07/26/1983

RPI 666

14.1

04/26/1983

RPI 653

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