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Official data from INPI

PROCESSO PARA PRODUZIR POS DE METAL EM FLOCOS, E POS ASSIMOBTIDOS

Concessão AnuladaInvention Patent

Application data

Number

PI7908734

Type

Invention Patent

Filing

07/06/1979

Publication

-

Progress at the INPI

  1. Filing07/06/79
  2. Publication
  3. Examination05/04/82
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Expired05/09/95

The letters patent expired on 05/09/1995: 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: 07/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

US BRONZE POWDERS INC

Inventors

M. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

07/24/1984

RPI 718

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

8.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

05/09/1995

RPI 1275

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