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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE UM REVESTIMENTO GALVANIZADO DE NÍQUEL-PALÁDIO PERMANENTEMENTE SOLDAVEL SOBRE UM SUBSTRATO ELETRICAMENTE CONDUTOR

ConcedidaInvention Patent

Application data

Number

PI8405026

Type

Invention Patent

Filing

10/04/1984

Publication

08/20/1985

Progress at the INPI

  1. Filing10/04/84
  2. Publication08/20/85
  3. Examination02/25/86
  4. Allowance02/08/89
  5. Grant09/26/89
  6. Terminated09/12/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

S. U. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

551.925 · 11/15/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

06/06/1989

RPI 972

Deferimento

#9.1

02/08/1989

RPI 955

Exigência - art. 36 da LPI

#6.1

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

02/25/1986

RPI 801

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

12/26/1984

RPI 740

Anuidade - prazo legal encerrado

#18.2

09/12/1995

RPI 1293

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