Package and article carriers – Miscellaneous
Patent
1974-01-25
1976-06-01
Spar, Robert J.
Package and article carriers
Miscellaneous
150 52R, A45F 300
Patent
active
039603008
ABSTRACT:
A tamper-proof backpack is disclosed which is formed of plastic or similar molded construction. The backpack includes a concave rear wall and shoulder straps which enable the backpack to be carried on the back of a user. The backpack may also be hand-carried and a cover is provided for fitting over the concave rear wall thereby hiding the shoulder straps when the backpack is so carried. The backpack includes a locking mechanism which prevents unauthorized access into the interior of the backpack and which also enables the backpack to be secured to a stationary object.
REFERENCES:
patent: 504101 (1893-08-01), Zbinden
patent: 823058 (1906-06-01), Leavy
patent: 922046 (1909-05-01), Royce
patent: 1753073 (1930-04-01), Troften
patent: 2162057 (1939-06-01), Brandt et al.
patent: 3017567 (1962-01-01), Barringer
patent: 3342388 (1967-09-01), Duckworth
patent: 3549064 (1970-12-01), Wilson
patent: 3622056 (1971-11-01), Droeger
patent: 3734366 (1973-05-01), Wood
Oresky Lawrence J.
Spar Robert J.
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