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Official data from INPI

MÉTODO E DISPOSITIVO PARA DETERMINAÇÃO DE DISTÂNCIAS INTERPLANARES EM FIGURAS DE DIFRAÇÃO DE ELÉTRONS

ArquivadaInvention Patent

Application data

Number

PI8108474

Type

Invention Patent

Filing

12/29/1981

Publication

08/16/1983

Progress at the INPI

  1. Filing12/29/81
  2. Publication08/16/83
  3. Examination03/05/85
  4. Allowance06/07/88
  5. Abandoned
  6. In force

The application was allowed on 06/07/1988 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: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

A. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/12/1989

RPI 999

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/07/1988

RPI 920

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Exigência - art. 36 da LPI

#6.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

12/17/1985

RPI 791

Solicitação de exame técnico

#4.1

03/05/1985

RPI 750

Publicação do pedido de patente

#3.1

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

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