July 4, 2026, Patent of the Day

Today’s patent of the day was not issued on the day, but is about the day. U.S. Patent No. 978489 issued to Malcolm Salmond on an Amusement Device:

The invention is a patriotic jack-in-the box, which is triggered by a fuse. Unlike traditional fireworks the device is much safe, and reusable, when the diaphragm and fuse are replaced.