United States Patent 2716262
US Patent References:
/0676779.html
- - 0676779

/0796710.html
- - 0796710

/0867574.html
- - 0867574

/1263349.html
- - 1263349

Window construction
- - 2011152


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Primary Class:
Other Classes:
292/DIG.020, 292/240, 292/192
US Patent References:
2548681Fastening
2581816Fastener for butt joints
2664601Window construction
Foreign References:
GB189303039A
GB183719015A
DE196512C