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Official data from INPI

Processo para preparacão de materiais de partida altamente puros para apresto de silílicio para células solares pelo processo de reducão carbotérmica.

ArquivadaInvention Patent

Application data

Number

PI8302183

Type

Invention Patent

Filing

04/28/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing04/28/83
  2. Publication04/17/84
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/28/1983 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

A. H. (pessoa física)

E. K. (pessoa física)

S. F. (pessoa física)

U. H. (pessoa física)

Pessoa física

Technical data

IPC Classification

Priority claims

DE

P 32 15 981.1 · 04/29/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/30/1986

RPI 832

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

06/14/1983

RPI 660

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 33/12; C01B 31/02; C01B 33/02.

03/27/2018

RPI 2464

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