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US 5,209,574 AGranted
Reclosable plastic bag with sliderless zipper
AssigneeMinigrip, Inc.
InventorPaul A. Tilman
Life of this patent
Estimating the term…
Abstract
A reclosable bag is formed with profiles on internal surfaces of the bag walls defining a closure. Gripping ribs are formed between the profiles and the bag mouth to facilitate opening the bag. Finger guide ribs provided opposite the profiles to facilitate closing the bag.
Claims9
A reclosable bag comprising:
- a front wall and a rear wall joined to form an enclosure with a mouth defined by top edges of said walls;
- a pair of interlocking profiles on internal surfaces of said walls for selectively locking said front and rear walls together to prevent or permit opening and closing said mouth;
- and
- guide means disposed on external surfaces of said walls for guiding fingers of a user to remain in a position aligned with said profiles, said guide means including a first pair of guide ribs disposed on said front wall straddling one of said profiles and a second pair of guide ribs disposed on said rear wall straddling the other of said profiles.
1 more element
Dependencies are inferred from the claim text.