Patent US4557384A successfully refreshed from Google Patents.
US4557384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pad of plastic bags
Assignee: Andritz Metals Inc
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Filing: 1984-12-14
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Granted: 1985-12-10
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Expires: 2004-12-14
Abstract
Abstract A pad of plastic bags comprising a plurality of bag units, each comprising a bag-forming pocket and a selvage portion, the pockets having front and rear walls and sealed edges and the selvage portions being integral with the pockets and also having front and rear walls, the selvage portions being connected to form a base portion, and the units each having a transverse slot forming an open mouth for the pockets and acting to separate the pockets from the base portion.
Inventors
- 👤 Hercules Membrino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:21
CPC Classifications
B; B65; B65D; B65D31/00; B65D33/00; B65D33/001; Y; Y10; Y10S; Y10S206/00; Y10S206/806
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
214 words
A pad of plastic bag units, said units being stacked to overly each other and being separably connected by a common base portion, each unit comprising a bag-forming pocket and a selvage portion, said pocket having a front wall, a rear wall, sealed side edges, a sealed bottom edge remote from said selvage portion and a cutaway portion of said front wall forming an open mouth of said pocket and having an upper edge adjacent said selvage portion, said selvage portion having front and rear walls to form a double-ply construction, and a line of weakness extending laterally from the top edge of said cutaway portion across the rear wall forming a continuous lateral line of severance defined by the top edge of said cutaway portion and said line of weakness, whereby said selvage portion fully retains its double-ply structure when said pocket is severed therefrom, a free edge in spaced parallel relation to the mouth of the pocket and side edges in common with the side edges of said pocket, the selvage portions of all the stacked units being secured together by common side securing means at the side edges thereof to form said common base portion, the free edges of said selvage portions forming a free edge of said common base portion.
Claim 2
Dependent Claim
214 words
A pad of plastic bag units, said units being stacked to overly each other and being separably connected by a common base portion, each unit comprising a bag-forming pocket and a selvage portion, said pocket having a front wall, a rear wall, sealed side edges, a sealed bottom edge remote from said selvage portion and a cutaway portion of said front wall forming an open mouth of said pocket and having an upper edge adjacent said selvage portion, said selvage portion having front and rear walls to form a double-ply construction, and a line of weakness extending laterally from the top edge of said cutaway portion across the rear wall forming a continuous lateral line of severance defined by the top edge of said cutaway portion and said line of weakness, whereby said selvage portion fully retains its double-ply structure when said pocket is severed therefrom, a free edge in spaced parallel relation to the mouth of the pocket and side edges in common with the side edges of said pocket, the selvage portions of all the stacked units being secured together by common side securing means at the side edges thereof to form said common base portion, the free edges of said selvage portions forming a free edge of said common base portion.
Claim 3
Dependent Claim
16 words
The pad of claim 1 wherein said common base portion is provided with a support means.
Claim 4
Dependent Claim
24 words
The pad of claim 2 wherein said support means comprises a flap attached to the common base portion by said common side securing means.
Claim 5
Dependent Claim
27 words
The pad of claim 3 wherein said flap has an upstanding portion extending beyond the free edge of said common base portion to form a supporting surface.
Claim 6
Dependent Claim
21 words
The pad of claim 4 wherein said supporting surface is provided with securing means to releasably secure it to a support.
Claim 7
Dependent Claim
13 words
The pad of claim 5 wherein the securing means is an adhesive strip.
Claim 8
Dependent Claim
18 words
The pad of claim 3 wherein the flap is in engagement with a supporting stand of rigid material.
Claim 9
Dependent Claim
17 words
The pad of claim 3 wherein the flap is provided with a strip of substantially rigid material.
Claim 10
Dependent Claim
18 words
The pad of claim 3 wherein said flap is made of the same plastic material as the units.
Claim 11
Dependent Claim
55 words
The pad of claim 1 wherein the pocket and the selvage portion in each unit are integral with each other, having common front and rear walls and common side edges, and a transverse slot in the common front wall, said slot forming the cutaway portion and acting to separate the pocket from the selvage portion.
Claim 12
Dependent Claim
12 words
The pad of claim 10 wherein the units are of tubular construction.
Claim 13
Dependent Claim
16 words
The pad of claim 10 wherein the units are made of pre-folded and pre-formed sheet material.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-12-09 | 1989-06-10 | 1989-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-09 | 1993-06-10 | 1993-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-09 | 1997-06-10 | 1997-12-10 | $7700.00 | Window Closed / Lapsed |