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US 2014/0299454 A1Published application
Multi-chamber keys
OwnerWilliam Bonnstaufferinventor
Life of this patent
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Abstract
A device comprises a key containing an upper closed chamber with a first gel and a lower closed chamber with a second gel. The key contains a divider portion interposedly common to the upper chamber and the lower chamber. The portion laterally traverses the key.
Claims14
A device comprising:
- a key containing an upper closed chamber with a first gel and a lower closed chamber with a second gel, said key containing a divider portion interposedly common to said upper chamber and said lower chamber, said portion laterally traversing said key.
Dependencies are inferred from the claim text.