US Flexible bags Patents and Patent Applications (Class 383)

Flexible Bags Patents (Class 383)

Biodegradable feature (Class 383/1)

Selectively adjustable volume (Class 383/2)

Inflatable (Class 383/3)

Convertible (Class 383/4)

Tamper indicating (Class 383/5)

Lifting or suspending element (e.g., handle) (Class 383/6)

With stacking feature (Class 383/32)

With means to maintain the bag mouth in an open configuration (Class 383/33)

With means to facilitate manual separation of flattened bag walls (Class 383/35)

With integral funnel (Class 383/36)

Plural (Class 383/37)

Bag having means to facilitate opening it by severing bag material or bag part (e.g., tearing, cutting, piercing, etc.) (Class 383/200)

Bag closure secured by a releasable or frangible bond (e.g., peel seal) (Class 383/210)

Compartmented (Class 383/38)

With plural access openings (Class 383/41)

With closure (Class 383/42)

With venting or ventilation means (Class 383/100)

Free-standing (Class 383/104)

Wall details (Class 383/105)

End structure (e.g. bottom) (Class 383/121)

Miscellaneous (Class 383/127)

Hot water or ice bag (Class 383/901)

Having nonbag use (Class 383/902)

Stress relief (Class 383/903)

Filling tube (Class 383/904)

Dead fold (ductile) closure element (Class 383/905)

Dispensing feature (Class 383/906)

Peculiar, particular shape (Class 383/907)

Material having specified grain direction or molecular orientation (Class 383/908)

Class-related foreign documents (Class 383/FOR000)

With closure