Adjustable underground shell
United States Patent 3390224
US Patent References:
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- - 0407955

/1280388.html
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Meter-box, manhole, and like cover
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Inventors:
Wyatt, David L.
Publication Date:
06/25/1968
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Assignee:
NEW ENGLAND REALTY CO
Primary Class:
174/37
Other Classes:
285/55, 220/3.700, 52/20, 285/148.190, 404/26, 137/370
International Classes:
H02G9/10; H02G9/00
US Patent References:
3101207Process for the production of gas-tight tube connections
1265767
2100721Buried type distribution transformer