Boiler for hot water heating mats
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United States of America Patent
Stats
-
Nov 8, 2016
Grant Date -
Apr 2, 2015
app pub date -
Sep 29, 2014
filing date -
Oct 2, 2013
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A boiler for hot water heating mats, including: a hot water heating tank having a hot water discharging port, a hot water recovering port, and an electric heater; a hot water storage tank connected to the hot water heating tank, with a water charging port, an air exhausting port, a hot water inlet port and a hot water outlet port; a hot water discharging check valve; and a hot water recovering check valve. The heater is installed horizontally or inclinedly, and the interior space of the hot water heating tank is divided into a hot water heating chamber and a hot water discharging chamber. To ensure the heater remains partially submerged in water, the hot water discharging port may be formed at a height higher than the lower surface of the heater or a retaining wall may be installed on the bottom of the hot water heating tank.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SAMWON ONSPA CO LTD | (SANGPAE-DONG)536-15 SAMNYUKSA-RO DONGDUCHEON-SI GYEONGGI-DO |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lee, Seong Geun | Seoul, KR | 2 | 12 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 8, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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