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Protective Device For Magnetic Valve Installed In Appliances

A protective device for magnetic valve installed in appliances, comprising of: an electric switch (6) with a plunger (5); a diaphragm (4); wherein the said protective device is mounted between magnetic valve (2) and an inlet hose (3); wherein the said electric switch (6) operates through the said diaphragm (4) with the pressure of water during supply of water from the said inlet hose (3) from one end of the protective device; and the other end of the said protective device is connected to lthe said magnetic valve (2) and the water is supplied to magnetic valve (2) in presence of water; and the plunger (5) of the electric switch (6) remains open causing a break in electric circuit which in turn does not allow the coil of the said magnetic valve (2) to get energized in the absence of water and thus the said magnetic valve is refrained from functioning in the absence of water supply.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
26 December 2001
Publication Number
39/2006
Publication Type
Invention Field
MECHANICAL ENGINEERING
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2008-07-03
Renewal Date

Applicants

IFB INDUSTRIES LIMITED
14 TARATOLLA ROAD, KOLKATA- 700 088

Inventors

1. BIJON NAG
39 HUMAYUN KABIR SARANI, KOLKATA-700053

Specification

Documents

Application Documents

# Name Date
1 718-cal-2001-granted-specification.pdf 2011-10-07
2 718-cal-2001-granted-reply to examination report.pdf 2011-10-07
3 718-cal-2001-granted-pa.pdf 2011-10-07
4 718-cal-2001-granted-letter patent.pdf 2011-10-07
5 718-cal-2001-granted-form 3.pdf 2011-10-07
6 718-cal-2001-granted-form 2.pdf 2011-10-07
7 718-cal-2001-granted-form 18.pdf 2011-10-07
8 718-cal-2001-granted-form 1.pdf 2011-10-07
9 718-cal-2001-granted-examination report.pdf 2011-10-07
10 718-cal-2001-granted-drawings.pdf 2011-10-07
11 718-cal-2001-granted-description (complete).pdf 2011-10-07
12 718-cal-2001-granted-correspondence.pdf 2011-10-07
13 718-cal-2001-granted-claims.pdf 2011-10-07
14 718-cal-2001-granted-abstract.pdf 2011-10-07
15 718-CAL-2001-06-01-2023-LETTER OF PATENT, FORM 4.pdf 2023-01-06
16 718-CAL-2001-10-02-2023-ALL DOCUMENTS.pdf 2023-02-10

ERegister / Renewals

3rd: 25 Sep 2008

From 26/12/2003 - To 26/12/2004

4th: 25 Sep 2008

From 26/12/2004 - To 26/12/2005

5th: 25 Sep 2008

From 26/12/2005 - To 26/12/2006

6th: 25 Sep 2008

From 26/12/2006 - To 26/12/2007

7th: 25 Sep 2008

From 26/12/2007 - To 26/12/2008

8th: 25 Sep 2008

From 26/12/2008 - To 26/12/2009