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Official data from INPI

DISPOSITIVO DE CONTROLE DE COMBUSTÍVEL E MÉTODO DE PRODUZIR O DISPOSITIVO

Arquivada/ExtintaInvention PatentPCT · US1988002460

Application data

Number

PI8807616

Type

Invention Patent

Filing

07/15/1988

Publication

05/29/1990

PCT

US1988002460

Progress at the INPI

  1. Filing07/15/88
  2. Publication05/29/90
  3. Examination07/30/91
  4. Allowance08/24/93
  5. Grant04/26/94
  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.

Talk to a specialist

Latest action published by the INPI: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Robertshaw Controls Company

US

See this company's full portfolio

Inventors

F. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

073.811 · 07/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

12/01/1992

RPI 1148

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

Notificação de entrada na fase nacional - PCT

#1.3

05/29/1990

RPI 1020

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