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Official data from INPI

MATERIAL DE CONTATO DE SINTERIZACAO DE PRATA E OXIDOS DE METAL DEPOSITADOS E PROCESSO PARA A PREPARACAO DESTE MATERIAL

Em AnáliseInvention Patent

Application data

Number

PI7708621

Type

Invention Patent

Filing

12/27/1976

Publication

-

Progress at the INPI

  1. Filing12/27/76
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant08/30/83
  6. Terminated12/15/87

The patent was granted on 08/30/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS AG

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Inventors

S. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

08/30/1983

RPI 671

110

03/22/1983

RPI 648

Recurso

#12.1

09/14/1982

RPI 621

Deferimento

#9.1

06/01/1982

RPI 606

Exigência - art. 36 da LPI

#6.1

11/10/1981

RPI 577

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