Title:
Downspout extension
United States Patent 2975805
US Patent References:
/0257022.html
- - 0257022

/0524754.html
- - 0524754

/0789684.html
- - 0789684

/1230820.html
- - 1230820

Automatically regulated lead-away trough for downspouts
- - 2567004


Inventors:
John, Horn
Publication Date:
03/21/1961
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Assignee:
John, Horn
Primary Class:
239/508
Other Classes:
251/297, 239/282, 137/615, 239/587.600, 193/17, 239/512, 285/184, D23/267, 239/208
International Classes:
A01G25/00; F16L27/08; F16L43/00; F16L27/00
US Patent References:
2757966Pipe coupling