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Official data from INPI

PISTOLA PULVERIZADORA TÉRMICA E PROCESSO PARA PRODUÇÃO DE UM RECOBRIMENTO DENSO E TENAZ

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906717

Type

Invention Patent

Filing

12/22/1989

Publication

09/11/1990

Progress at the INPI

  1. Filing12/22/89
  2. Publication09/11/90
  3. Examination10/06/92
  4. Allowance12/03/96
  5. Grant09/30/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sulzer Metco (US) Inc.

US

T. C. (pessoa física)

US

See this company's full portfolio

Inventors

A. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

289,067 · 12/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/12/2009

05/21/2013

RPI 2211

Transferência deferida

#25.1

Transferido de: The Perkin-Elmer Corporation

11/20/2001

RPI 1611

Concessão da patente

#16.1

09/30/1997

RPI 1400

Deferimento

#9.1

12/03/1996

RPI 1357

Solicitação de exame técnico

#4.1

10/06/1992

RPI 1140

Publicação do pedido de patente

#3.1

09/11/1990

RPI 1032

Pedido de patente depositado

#2.1

04/03/1990

RPI 1012

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