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2140777
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Information
Patent Grant
2140777
References
Source
Patent Number
2,140,777
Date Filed
Not available
Date Issued
Tuesday, December 20, 1938
85 years ago
CPC
B65D77/185 - with means for discouraging or for indicating unauthorised opening or removal
Y10T292/481 - Compressible disk
US Classifications
292 - Closure fasteners
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