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Official data from INPI

Aparelho para revestir superfícies internas de condutos curvos.

ConcedidaInvention Patent
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Application data

Number

PI8208054

Type

Invention Patent

Filing

12/30/1982

Publication

01/10/1984
View on INPI

Progress at the INPI

  1. Filing12/30/82
  2. Publication01/10/84
  3. Examination05/28/85
  4. Allowance05/05/87
  5. Grant03/29/88
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. L. (pessoa física)

AU

Inventors

K. [. (pessoa física)

Technical data

IPC Classification

B05C 7/08B05D 7/22C23C 4/16

Priority claims

AU

PF 2503 · 01/29/1982

AU

PF 6007 · 09/22/1982

AU

PF 6008 · 09/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

14.1

01/05/1988

RPI 898

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

11/26/1985

RPI 788

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

Notificação de entrada na fase nacional - PCT

#1.3

01/10/1984

RPI 690

Carta-patente expirada

#21.1

Patente extinta em 30/12/97

07/01/2008

RPI 1956

20.4

10/25/1994

RPI 1247

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