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Official data from INPI

COMPOSIÇÃO AQUOSA PARA A ELETRODEPOSIÇÃO DE LIGAS DE ZINCO-NÍQUEL.

Em AnáliseInvention Patent

Application data

Number

PI8204892

Type

Invention Patent

Filing

08/20/1982

Publication

08/02/1983

Progress at the INPI

  1. Filing08/20/82
  2. Publication08/02/83
  3. Examination10/01/85
  4. Allowance07/11/89
  5. Grant02/06/90
  6. Terminated12/20/94

The patent was granted on 02/06/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ebara-Udylite Company Limited, companhia japonesa

JP

Inventors

H. T. (pessoa física)

JP

M. K. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

130341/1981 · 08/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/14/1989

RPI 995

Deferimento

#9.1

07/11/1989

RPI 977

Exigência - art. 36 da LPI

#6.1

01/03/1989

RPI 950

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

10/01/1985

RPI 780

Publicação do pedido de patente

#3.1

08/02/1983

RPI 667

Pedido de patente depositado

#2.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

Concessão da patente

#16.1

02/06/1990

RPI 1005

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