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Class Information
Number: 220/319
Name: Receptacles > Closures > Having means for securing or retaining closure in its closed position (e.g., fastening devices) > Ring type
Description: Device wherein the fastener is in the form of a ring which surrounds the receptacle mouth and closure periphery, binding them together. A ring of this type would not, in and of itself, form a closure.










Sub-classes under this class:

Class Number Class Name Patents
220/320 For applying radial pressure (e.g., contractable bands encircling member) 113


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
4113137 Camera housing optical sealing method and device Sep. 12, 1978
4111330 Reclosable vacuum container Sep. 5, 1978
4111331 Tamper-proof closure device Sep. 5, 1978
4108328 Aircraft fuel tank construction Aug. 22, 1978
4106659 Pressure vessel Aug. 15, 1978
4102473 Quick coupling/locking device Jul. 25, 1978
4098428 Tank for pitch impregnation therein Jul. 4, 1978
4091955 Plastic filler neck cap May. 30, 1978
4091961 Chime protective gasket May. 30, 1978
4087018 Tamper proof seal for a closure May. 2, 1978
4071157 Safety stoppering device Jan. 31, 1978
4044917 Closure element for a container Aug. 30, 1977
4029894 Submerged repeater housing Jun. 14, 1977
4024982 Pressure cooker May. 24, 1977
4011607 Swimming pool cover Mar. 15, 1977
4004684 Fuze protector cap Jan. 25, 1977
3990605 Closure means for circular openings of large diameter Nov. 9, 1976
3986635 Closure locking and orienting device Oct. 19, 1976
3977557 Container-closure structure employing fitment to prevent closure removal Aug. 31, 1976
3977572 Aerosol safety cap secured by a grooved ring Aug. 31, 1976
3971488 Tamperproof screw cap Jul. 27, 1976
3966082 Annular collar safety closure Jun. 29, 1976
3961443 Cover for nursery pots providing improved protection, support and feeding Jun. 8, 1976
3951300 Pressure vessel Apr. 20, 1976
3940008 Collapsible reusable barrel for fluids Feb. 24, 1976
3938687 Barrel of synthetic material Feb. 17, 1976
3938735 Capping assembly for thin all centrifuge tubes Feb. 17, 1976

1 2 3 4 5 6










 
 
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