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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PÓ DE UM MATERIAL METÁLICO.

Em AnáliseInvention Patent

Application data

Number

PI8201969

Type

Invention Patent

Filing

07/28/1987

Publication

03/08/1983

Progress at the INPI

  1. Filing07/28/87
  2. Publication03/08/83
  3. Examination08/30/83
  4. Allowance11/01/88
  5. Grant03/20/90
  6. Terminated07/18/95

The patent was granted on 03/20/1990 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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eckart-Werke Standard Bronzepulver-Werke Carl Eckart Gmbh & Co

DE

Inventors

W. G. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 31 13 886.1 · 04/07/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

14.4

07/28/1987

RPI 875

Conhecimento de parecer técnico

#7.1

12/17/1985

RPI 791

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Publicação do pedido de patente

#3.1

03/08/1983

RPI 646

Pedido de patente depositado

#2.1

05/25/1982

RPI 605

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

Concessão da patente

#16.1

03/20/1990

RPI 1010

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