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Official data from INPI

PROCESSO PARA A PREPARACAO DE UM CORPO DE DIAMANTE POLICRISTALINO E CORPO DE DIAMANTE POLICRISTALINO PRODUZIDO PELO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7806953

Type

Invention Patent

Filing

10/21/1977

Publication

-

Progress at the INPI

  1. Filing10/21/77
  2. Publication
  3. Examination
  4. Allowance09/18/84
  5. Grant03/26/85
  6. Terminated06/14/88

The patent was granted on 03/26/1985 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

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Inventors

D. R. (pessoa física)

L. M. (pessoa física)

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

03/26/1985

RPI 753

Deferimento

#9.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

09/06/1983

RPI 672

6.2

12/29/1981

RPI 584

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