Happy Halloween

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What’s scarier than a Section 101 rejection? Some of these patents for celebrating the spookiest holiday?

U.S. Patent No. 396252 on a Jack-A-Lantern, patented January 15, 1889
U.S. Patent No. 699,669 on a Toy Jack-O’-Lanntern patented May 13, 1902.
U.S. Patent No. 741,293 on a Jack-O’-Lantern patented October 13, 1903
U.S. Patent No. 2,236,071 on Jack-O’-Lantern Lamp and Bulb Holder, patented March 25, 1941