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Official data from INPI

MATERIAL PULVERULENTO DE ATOMIZAÇÃO, À BASE DE NÍQUEL-CROMO

DeferidaInvention Patent

Application data

Number

PI8406958

Type

Invention Patent

Filing

06/20/1984

Publication

06/11/1985

Progress at the INPI

  1. Filing06/20/84
  2. Publication06/11/85
  3. Examination11/26/85
  4. Allowance11/14/89
  5. Grant05/29/90
  6. Terminated07/04/95

The patent was granted on 05/29/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Castolin S.A.

CH

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Inventors

H. S. (pessoa física)

CH

W. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

3532/83-8 · 06/28/1983

CH

PCT/84/00101 · 06/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

06/11/1985

RPI 764

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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