US2009297265A1PendingUtilityA1

B-W manhole cover-cover

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Individually held — no corporate assignee on recordPriority: May 27, 2008Filed: May 27, 2008Published: Dec 3, 2009
Est. expiryMay 27, 2028(~1.8 yrs left)· nominal 20-yr term from priority
Inventors:Robert F. Wood
E02D 29/1409
44
PatentIndex Score
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Cited by
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References
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Claims

Abstract

Depressed manhole covers affect vehicles negatively. The B-W Manhole Cover-Cover is a recycled rubber disc attached to the existing manhole cover with toggle-bolts. It will provide proper elevation.

Claims

exact text as granted — not AI-modified
1 . A disc of recycled rubber:
 a. the size and appearance of a standard manhole cover   b. to be affixed to an existing manhole cover to elevate it to grade   
     whereby the roadway is smoother and safer to use

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