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Official data from INPI

MATERIAL PULVERULENTO PARA PROJEÇÃO TÉRMICA

DeferidaInvention Patent

Application data

Number

PI8405486

Type

Invention Patent

Filing

02/20/1984

Publication

02/20/1985

Progress at the INPI

  1. Filing02/20/84
  2. Publication02/20/85
  3. Examination06/17/86
  4. Allowance09/05/89
  5. Grant03/20/90
  6. Terminated05/14/96

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.

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Latest action published by the INPI: 09/05/1989. 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

1015/83-0 · 02/23/1983

CH

PCT/84/00028 · 02/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/05/1989

RPI 985

Conhecimento de parecer técnico

#7.1

10/04/1988

RPI 937

Solicitação de exame técnico

#4.1

06/17/1986

RPI 817

Notificação de entrada na fase nacional - PCT

#1.3

02/20/1985

RPI 748

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C23C 7/00.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

05/14/1996

RPI 1328

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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