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Official data from INPI

APERFEICOAMENTO EM CONJUNTO DE PORTA-SAPATILHA E SAPATILHA

Em AnáliseInvention Patent

Application data

Number

PI7901844

Type

Invention Patent

Filing

03/23/1979

Publication

-

Progress at the INPI

  1. Filing03/23/79
  2. Publication
  3. Examination
  4. Allowance05/15/84
  5. Grant12/26/84
  6. Terminated10/03/89

The patent was granted on 12/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SCHUNK & EBE BRASIL SINTERILIZ

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

20.4

06/03/1986

RPI 815

20.7

05/27/1986

RPI 814

Concessão da patente

#16.1

12/26/1984

RPI 740

15.15

09/18/1984

RPI 726

Deferimento

#9.1

05/15/1984

RPI 708

8.1

12/14/1982

RPI 634

Exigência - art. 36 da LPI

#6.1

05/11/1982

RPI 603

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