Spill-proof device
United States Patent 3015411
US Patent References:
Tube closure
- - 2113695
Metering spring closure for dispensing tubular containers
- - 2556571
Closure for drinking receptacles
- - 2646670
Tube closure
- - 2113695
Metering spring closure for dispensing tubular containers
- - 2556571
Closure for drinking receptacles
- - 2646670
Inventors:
Smith, Richard B.
Publication Date:
01/02/1962
View Patent Images:
Export Citation:
Assignee:
Willard, Jones M.
Primary Class:
Other Classes:
222/518
International Classes:
A47G19/22
Foreign References:
| CH197454A | ||||
| FR1093277A |