United States Patent 2735202
US Patent References:
Auto checking and counting means for parking areas
- - 2528790
Parking system for vehicles
- - 2627920
Barrier for motor vehicle parking systems
- - 2637920
Road barrier gate for parking lots
- - 2657486
Auto checking and counting means for parking areas
- - 2528790
Parking system for vehicles
- - 2627920
Barrier for motor vehicle parking systems
- - 2637920
Road barrier gate for parking lots
- - 2657486
Publication Date:
02/21/1956
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Primary Class:
Other Classes:
194/240, 194/902, 49/35, 49/49, 49/33
International Classes:
G07F17/14; G07F17/00