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Official data from INPI

TRANSMISSOR PARA GERAR UM SINAL DE SAÍDA INDICADOR DE TEMPERATURA

Arquivada/ExtintaInvention PatentPCT · US1990002197

Application data

Number

PI9007402

Type

Invention Patent

Filing

04/23/1990

Publication

04/28/1992

PCT

US1990002197

Progress at the INPI

  1. Filing04/23/90
  2. Publication04/28/92
  3. Examination05/18/93
  4. Allowance04/18/95
  5. Grant10/31/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rosemount Inc

US

See this company's full portfolio

Inventors

C. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/359,332 · 05/31/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/04/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/18/1995

RPI 1272

Exigência - art. 36 da LPI

#6.1

11/01/1994

RPI 1248

Solicitação de exame técnico

#4.1

05/18/1993

RPI 1172

Notificação de entrada na fase nacional - PCT

#1.3

04/28/1992

RPI 1117

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