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Class Information
Number: 114/92
Name: Ships > Spars > Masts and masting > Cross and trestle trees
Description: Inventions in the above-mentioned devices or their equivalents, trestle-trees being defined as fore-and-aft pieces secured on each side of a mast or resting on the hounds to support the rigging, cross-trees, etc.

Patents under this class:

Patent Number Title Of Patent Date Issued
8448590 Tunnel rigging May. 28, 2013
4690088 Sail rigging with fairing Sep. 1, 1987
4591343 Walker-sailor watercraft May. 27, 1986
4492175 Sail boom tent Jan. 8, 1985

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