Interpenetrating Radiation Shield
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 30, 2015
app pub date -
Jan 23, 2015
filing date -
Jan 24, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
An interpenetrating radiation shield is presented. The shield comprises an active shield and at least one passive shield. The active shield generates a directional active shield field. The passive shield has an areal density ranging from about 1 g/cm2 to about 1000 g/cm2 and is positioned within the active shield field in a relationship to the active shield wherein a radiation particle having kinetic energy and traversing a path at a rate of speed is deflected by the active shield field as the radiation particle enters the passive shield. The path of the radiation particle is lengthened within the passive shield and the kinetic energy and speed of the radiation particle are decreased within the passive shield.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ANALYTICAL SERVICES AND MATERIALS INC | 107 RESEARCH DRIVE HAMPTON VA 23666 |
International Classification(s)

- 2015 Application Filing Year
- G21F Class
- 134 Applications Filed
- 98 Patents Issued To-Date
- 73.14 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Sivakumar, Rajagopalan | Yorktown, US | 3 | 83 |
# of filed Patents : 3 Total Citations : 83 | |||
Wiedemann, Karl Erik | Seaford, US | 6 | 111 |
# of filed Patents : 6 Total Citations : 111 |
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Patent Citation Ranking
- 1 Citation Count
- G21F Class
- 26.92 % this patent is cited more than
- 10 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 30, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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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