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Official data from INPI

MÉTODO APERFEIÇOADO PARA REALIZAR UM REVESTIMENTO DE MATERIAL POR PULVERIZAÇÃO, COM RUGOSIDADE CONTROLADA.

Em AnáliseInvention Patent
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Application data

Number

PI8801864

Type

Invention Patent

Filing

04/14/1988

Publication

11/22/1988
View on INPI

Progress at the INPI

  1. Filing04/14/88
  2. Publication11/22/88
  3. Examination06/27/89
  4. Allowance11/08/94
  5. Grant06/27/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Castolin S.A.

CH

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Inventors

R. P. (pessoa física)

DE

Technical data

IPC Classification

C23C 4/06

Priority claims

DE

P 37 12 684.9 · 04/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/27/1989

RPI 975

Publicação do pedido de patente

#3.1

11/22/1988

RPI 944

Pedido de patente depositado

#2.1

08/02/1988

RPI 928

Carta-patente expirada

#21.1

Patente extinta em 14/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

03/14/1995

RPI 1267

Deferimento

#9.1

11/08/1994

RPI 1249

Exigência - art. 36 da LPI

#6.1

05/17/1994

RPI 1224

Exigência - art. 36 da LPI

#6.1

11/09/1993

RPI 1197

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