Gravity sensor and electronic device using the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 31, 2012
Grant Date -
Dec 3, 2009
app pub date -
Nov 4, 2008
filing date -
May 30, 2008
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A gravity sensor includes a chamber, a number of receiving holes, an electrically insulative liquid, a number of pressure sensors, and a number of sealing elements. The receiving holes are defined in the inner surface of the chamber. The electrically insulative liquid is sealed within the chamber. The pressure sensors are disposed in the receiving holes respectively, and are configured for sensing the pressure that the electrically insulative liquid apply thereto. The sealing elements is configured for sealing the receiving holes respectively when the corresponding pressure sensor senses a pressure applied by the electrically insulative liquid.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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GOLD CHARM LIMITED | OFFSHORE CHAMBERS P O BOX 217 APIA |
International Classification(s)

- 2008 Application Filing Year
- G01V Class
- 1038 Applications Filed
- 834 Patents Issued To-Date
- 80.35 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Cao, Shuai | Shenzhen, CN | 17 | 60 |
# of filed Patents : 17 Total Citations : 60 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- G01V Class
- 1.98 % this patent is cited more than
- 13 Age
Forward Cite Landscape
- No Forward Cites to Display

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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May 23, 2018 | AS� | SECURITY INTEREST | free format text: SECURITY AGREEMENT;ASSIGNOR:BRP US INC.;REEL/FRAME:047208/0495 Owner name: BANK OF MONTREAL, AS ADMINISTRATIVE AGENT, CANADA Effective Date: May 23, 2018 |
May 23, 2018 | AS | ASSIGNMENT | free format text: SECURITY AGREEMENT;ASSIGNOR:BRP US INC.;REEL/FRAME:046248/0665 Owner name: BANK OF MONTREAL, AS ADMINISTRATIVE AGENT, CANADA Effective Date: May 23, 2018 |
Nov 10, 2015 | I | Issuance | |
Oct 21, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 08, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:DAVENPORT, MIKE;WIEGELE, DALE;SCOTT, JOHN CHARLES;AND OTHERS;REEL/FRAME:031105/0456 Owner name: BRP US INC., WISCONSIN Effective Date: Jul 08, 2013 |
May 31, 2013 | F | Filing |

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