Shelters
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United States of America Patent
Stats
-
Jan 2, 2001
Grant Date -
N/A
app pub date -
Aug 12, 1998
filing date -
Dec 18, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A lightning shelter for people is formed from a plurality of elongate electrically conductive members first ends of which are held conjoined between a pair of metal plates. Each member extends away from and depends from its first end to define a frame and the second end of each member has an electrically conductive spike drivable into the ground on which the shelter stands. The outer surface of each elongate member is electrically insulated e.g. with a layer of polyethylene. A further electrically conductive member is removably mountable on the frame on the plates to extend normally away from said frame. In moving from its first to its second end each elongate member extend firstly through a curved portion (quarter circle) and then through a generally straight portion. The second ends of the elongate members define points on the perimeter of a circle and have attached thereto and electrically connected therewith another electrically conductive member extending generally radially outwardly of the circle and terminating in a further electrically conductive spike drivable into the ground. The shelter is provided with an electrically conductive metal mesh floor electrically coupled to the elongate members and the first said spike. The shelter has a cover of a waterproof fabric material placable over at least part of said frame and held thereon by a rope passing through loops or eyelets on the edges of the cover and apertures in the elongate members.

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 | |
---|---|---|
H R SMITH (TECHNICAL DEVELOPMENTS) LIMITED | LEOMINSTER HEREFORDSHIRE HR6 9QA |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Smith, Henry Roy | Thorney, Darbys Green, Knightwick, Worcester, GB | 3 | 51 |
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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 |
---|---|---|---|
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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