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Official data from INPI

PÓ DE LIGA E PROCESSO DE PRODUZIR UM MATERIAL DE ALTA DENSIDADE A BASE DE FERRO.

ArquivadaInvention Patent

Application data

Number

PI8106856

Type

Invention Patent

Filing

10/23/1981

Publication

07/06/1982

Progress at the INPI

  1. Filing10/23/81
  2. Publication07/06/82
  3. Examination10/13/82
  4. Allowance11/12/85
  5. Abandoned
  6. In force

The application was allowed on 11/12/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

See this company's full portfolio

Inventors

L. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

200.527 · 10/24/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

11/12/1985

RPI 786

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Publicação do pedido de patente

#3.1

07/06/1982

RPI 611

Pedido de patente depositado

#2.1

12/08/1981

RPI 581

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