Residual liquid quantity detecting method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 9, 2010
Grant Date -
Mar 5, 2009
app pub date -
Oct 27, 2005
filing date -
Nov 1, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A residual liquid quantity detecting method capable of accurately detecting the residual quantity of liquid without relying upon visual observation, preventing overfill at the time of refilling. A residual liquid quantity detecting method for a liquid supply container (100) has a container body (108) having a liquid supply opening (126) and has a liquid storage chamber (118) in which liquid (119) is sealed, the liquid storage chamber (118) being formed in the container body (108) and communicating with the liquid supply opening (126). The liquid (119) is supplied from the liquid supply opening (126) to the outside of the container by primary supply pressure generated through reduction, by pressure, in volume of the liquid storage chamber (118). The residual quantity of the liquid (119) in the liquid storage chamber (118) is detected by detecting primary supply pressure of the liquid (119).
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
CALICO BRANDS INC | 2055 SOUTH HAVEN AVE ONTAIO CA 91761 | |
HONSON MARKETING GROUP INC | 2055 SOUTH HAVEN AVE ONTARIO CA 91761 | |
SCRIPTO-TOKAI CORPORATION | 2055 SOUTH HAVEN AVE ONTARIO CA 91761 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Nakamura, Yasuaki | Tokai Corporation, 3-4, Shimohara, Subashiri, Oyama-cho | 73 | 655 |
# of filed Patents : 73 Total Citations : 655 |
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Patent Citation Ranking
- 4 Citation Count
- G01F Class
- 3.31 % this patent is cited more than
- 15 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

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Nov 16, 2010 | I | Issuance | |
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Oct 27, 2010 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Apr 17, 2008 | P | Published | |
Oct 05, 2007 | F | Filing | |
Oct 02, 2007 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FUJITA, TAKASHI;REEL/FRAME:020025/0739 Owner name: CANON KABUSHIKI KAISHA, JAPAN Effective Date: Oct 02, 2007 |
Oct 13, 2006 | PD | Priority Date |

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