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Official data from INPI

PROCESSO E DISPOSITIVO PARA PRODUZIR METAL PULVERIZADO E PULVERULENTO

ConcedidaInvention Patent

Application data

Number

PI7706733

Type

Invention Patent

Filing

10/07/1977

Publication

-

Progress at the INPI

  1. Filing10/07/77
  2. Publication
  3. Examination
  4. Allowance07/13/82
  5. Grant01/25/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LARSON KONSULT AB R

Inventors

L. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

12/15/1981

RPI 582

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B22D 23/08.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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