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3818428
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Information
Patent Grant
3818428
References
Source
Patent Number
3,818,428
Date Filed
Not available
Date Issued
Tuesday, June 18, 1974
50 years ago
CPC
B63B22/003 - adapted for being launched from an aircraft or water vehicle
B63B2201/08 - Electric light
B63B2209/02 - water activated switches
F21W2111/04 - for waterways
US Classifications
340 - Communications: electrical
441 - Buoys, rafts, and aquatic devices
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