The Duck & Game Call Patent Archive

Patents that talked to the birds

Mail bag

Patent drawing of a mail bag with hinged locking plates along its mouth, showing the bag closed with a padlock in Fig. 1, open with interlocking flanged plates in Fig. 2, a cross-section in Fig. 3, and enlarged hinge and lock details in Figs. 4 and 5.MAIL-BAGJohn C. Gunn · September 14, 1886Patent drawing of a mail bag frame showing hinged rubber-covered metal side plates forming a square opening, with detail insets of the spring-loaded hook lock, thumb-piece, and padlock staple mechanism.MAIL-BAG.Joseph Hanauer · September 15, 1891