Multilayer Barrier Structure (220/415) Patents (Class 220/FOR127)

Folded single blank-type 220/416) (Class 220/FOR128)

Evacuated space between layers (220/420) (Class 220/FOR132)

Fluid-filled space between layers (fluid other than "dead" air) (220/426) (Class 220/FOR138)

Intermediate fluent mass layer (e.g., powder, loose hair, particles, etc.) (220/429) (Class 220/FOR141)

Separate edge-bridge (e.g., "breaker-strip") (220/430) (Class 220/FOR142)

Separate resilient fastener (220/434) (Class 220/FOR146)

Specified structure for relative layer movement (220/435) (Class 220/FOR147)

Including a corrugated layer (220/441) (Class 220/FOR153)

Intermediate foamed-in-situ layer (220/444) (Class 220/FOR156)

Specified spacer means (nonlayer) (220/445) (Class 220/FOR157)

Pilant wrapper supported by content (220/449) (Class 220/FOR161)

Including a foil layer (220/450) (Class 220/FOR162)

Including asbestos filler (220/451) (Class 220/FOR163)

Including a batt layer (220/452) (Class 220/FOR164)

Coextensively bonded self-sustaining layers (220/453) (Class 220/FOR165)

Specified coated or impregnated layer (e.g., dipped, sprayed) (220/454) (Class 220/FOR166)

Including flaccid veneer-like layer (e.g., cloth, paper) (220/460) (Class 220/FOR172)

Intermediate self-sustaining panel (220/464) (Class 220/FOR176)

Including specified barrier aperture fitting (e.g., flange, bung) (220/465) (Class 220/FOR177)

Double-walled barrel or drum-type (220/466) (Class 220/FOR178)

Refrigerator cabinet-type (220/467) (Class 220/FOR179)

Plural self-sustaining layers (220/468) (Class 220/FOR180)

Spaced walls (220/469) (Class 220/FOR181)

There are no patents to show for this class.