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Official data from INPI

APERFEIÇOAMENTOS EM TERMOSTATO PARA REFRIGERAÇÃO COM DILATAÇÃO DE FLUÍDO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8904748

Type

Invention Patent

Filing

09/15/1989

Publication

05/29/1990
View on INPI

Progress at the INPI

  1. Filing09/15/89
  2. Publication05/29/90
  3. Examination12/04/90
  4. Allowance05/20/97
  5. Grant01/21/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Invensys Appliance Controls Ltda

SP, BR

Robertshaw do Brasil S/A

RS, BR

Siebe Appliance Controls Ltda.

SP, BR

See this company's full portfolio

Inventors

J. R. (pessoa física)

BR

Technical data

IPC Classification

H01H 37/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/09/2009

12/26/2012

RPI 2190

Alteração de nome deferida

#25.4

Alterado de: Siebe Appliance Controls Ltda

04/18/2000

RPI 1528

Transferência deferida

#25.1

Transferido por Incorporação de: Robertshaw do Brasil S/A.

09/21/1999

RPI 1498

Concessão da patente

#16.1

01/21/1998

RPI 1413

Deferimento

#9.1

05/20/1997

RPI 1381

Exigência - art. 36 da LPI

#6.1

08/13/1996

RPI 1341

Exigência - art. 36 da LPI

#6.1

09/05/1995

RPI 1292

Retificação

#15.6

04/11/1995

RPI 1271

15.5

11/08/1994

RPI 1249

Retificação

#15.3

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

Publicação antecipada

#3.2

05/29/1990

RPI 1020

Pedido de patente depositado

#2.1

01/09/1990

RPI 1001

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