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Official data from INPI

Processo para lingotamento de metal.

Em AnáliseInvention Patent

Application data

Number

PI7904814

Type

Invention Patent

Filing

07/26/1979

Publication

-

Progress at the INPI

  1. Filing07/26/79
  2. Publication
  3. Examination
  4. Allowance08/23/83
  5. Grant02/28/84
  6. Terminated01/28/92

The patent was granted on 02/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Concast AG.

See this company's full portfolio

Inventors

D. C. (pessoa física)

H. A. (pessoa física)

L. J. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

1 029/79-7 · 02/02/1979

CH

1 184/79-8 · 02/07/1979

CH

8 134/78-0 · 07/28/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

07/29/1986

RPI 823

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/13/1983

RPI 686

Republicação - classificação IPC

#15.11

09/06/1983

RPI 672

Deferimento

#9.1

08/23/1983

RPI 670

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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