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Official data from INPI

Sistema para dissolução de ligas de prata e ouro.

ConcedidaInvention Patent
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Application data

Number

PI8205530

Type

Invention Patent

Filing

09/21/1982

Publication

01/25/1983
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Progress at the INPI

  1. Filing09/21/82
  2. Publication01/25/83
  3. Examination06/19/84
  4. Allowance08/02/88
  5. Grant11/28/89
  6. Terminated10/16/90

The patent was granted on 11/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CEPED - Centro de Pesquisas e Desenvolvimento.

Inventors

P. A. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

C22B 11/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Retificação

#15.6

04/12/1988

RPI 912

Retificação

#15.3

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

04/14/1987

RPI 860

Exigência - art. 36 da LPI

#6.1

03/04/1986

RPI 802

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Publicação antecipada

#3.2

01/25/1983

RPI 640

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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