(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

SISTEMA DE PULVERIZAÇÃO A ARCO

Em ExigênciaInvention Patent

Application data

Number

PI8600458

Type

Invention Patent

Filing

02/04/1986

Publication

10/21/1986

Progress at the INPI

  1. Filing02/04/86
  2. Publication10/21/86
  3. Examination12/13/88
  4. Allowance04/24/90
  5. Grant10/30/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 10/31/1989. 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

L. S. (pessoa física)

US

M. T. (pessoa física)

US

R. T. (pessoa física)

US

R. J. (pessoa física)

US

T. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

698.305 · 02/05/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

12/13/1988

RPI 947

Publicação do pedido de patente

#3.1

10/21/1986

RPI 835

Pedido de patente depositado

#2.1

07/29/1986

RPI 823

Carta-patente expirada

#21.1

Patente extinta em 04/02/2001

07/22/2008

RPI 1959

Transferência deferida

#25.1

Transferido de: The Perkin-Elmer Corporation

08/15/2000

RPI 1545

Concessão da patente

#16.1

10/30/1990

RPI 1039

Deferimento

#9.1

04/24/1990

RPI 1015

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.