US3982682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner post
Assignee: Westvaco Corp
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Filing: 1976-03-04
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Granted: 1976-09-28
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Expires: 1996-03-04
Abstract
Abstract An elongated corner post for use between the vertical corners of containers and products packaged therein consisting essentially of an integral rectangular tube and attached leg prepared from a single blank of paperboard or the like, said blank being of substantially rectangular configuration and divided along one of its dimensions by a plurality of parallel fold lines into a plurality of discrete panels of unequal width, at least two of said panels being arranged in overlapping engagement and secured to one another, the improvement wherein the formed corner post is normally stored and shipped in a substantially flat condition and manually erected into the tube and leg configuration at the point of use.
Inventors
- 👤 Edwin A. Fremion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:06
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/50; B65D5/5028; B65D5/5033
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
150 words
A corner post construction for use between the vertical corners of containers and products packaged therein consisting essentially of a corner post structure that is normally stored and shipped in a flat condition but when erected assumes a cross-sectional configuration substantially in the form of an integral rectangular tube and attached leg comprising: a. a substantially rectangular blank of paperboard material or the like, scored along parallel fold lines to form a plurality of discrete panels of unequal width; b. said blank being folded flat about at least two of said fold lines to bring at least two of said panels into overlapping engagement for the purpose of adhering said two panels together; c. said flat folded blank being adapted to be erected into useable condition as a corner post by manipulating the folded blank to orient at least three contiguous panels into the tube portion of the corner post.
Claim 2
Dependent Claim
150 words
A corner post construction for use between the vertical corners of containers and products packaged therein consisting essentially of a corner post structure that is normally stored and shipped in a flat condition but when erected assumes a cross-sectional configuration substantially in the form of an integral rectangular tube and attached leg comprising: a. a substantially rectangular blank of paperboard material or the like, scored along parallel fold lines to form a plurality of discrete panels of unequal width; b. said blank being folded flat about at least two of said fold lines to bring at least two of said panels into overlapping engagement for the purpose of adhering said two panels together; c. said flat folded blank being adapted to be erected into useable condition as a corner post by manipulating the folded blank to orient at least three contiguous panels into the tube portion of the corner post.
Claim 3
Dependent Claim
39 words
The corner post of claim 1 wherein the blank of paragraph (a) comprises at least six discrete panels, at least three of which lie in parallel planes to form the leg portion of said corner post in the erected
Claim 4
Dependent Claim
27 words
The corner post of claim 2 wherein the leg portion comprises two primary panels, the first of which is adapted to contact a side wall of the
Claim 5
Dependent Claim
14 words
The corner post of claim 3 wherein the second primary panel of said leg
Claim 6
Dependent Claim
55 words
The corner post of claim 4 wherein the second primary panel of said leg portion has a maximum width no greater than the width of said first primary leg panel less the thickness of the blank material from which the corner post is formed, and a mimimum width no less than the width of the
Claim 7
Dependent Claim
73 words
The corner post of claim 5 wherein the tube portion comprises three connected primary panels, two of which lie in spaced apart substantially parallel planes, the first of which abuts the product packaged in the container and the second of which is adapted to contact a side wall of the container in which it is used, and the third primary panel comprises a bridging panel between the two spaced apart substantially parallel primary
Claim 8
Dependent Claim
13 words
The corner post of claim 6 wherein the first and second primary tube
Claim 9
Dependent Claim
40 words
The corner post of claim 7 wherein the width of the second tube portion primary panel is equal to the width of the first tube portion primary panel plus twice the thickness of the blank material from which the corner
Claim 10
Dependent Claim
43 words
The corner post of claim 8 wherein the width of the second primary panel of the leg portion of said corner post is greater than the width of the first primary panel of the leg portion less the width of the third primary
Claim 11
Dependent Claim
65 words
The corner post of claim 9 wherein the combined width of the first primary panel of said leg portion and the second primary panel of said tube portion is greater than the combined width of the third primary panel of said tube portion, the first primary panel of said tube portion and the outside panel adhered to the second primary panel of said leg portion.
Claim 12
Dependent Claim
25 words
The corner post of claim 10 wherein the first and third panels of said tube portion each contain at least one full width cut substantially
Claim 13
Dependent Claim
34 words
The corner post of claim 11 wherein a part of the tube portion of said corner post is collapsed adjacent the full width cut in the first and third panels of said tube portion.
References Cited (Backward Citations)
US2196157A
Cited
US2444183A
Cited
GB642838A
Cited
US3221973A
Cited
US3315869A
Cited
US3613985A
Cited
US3708101A
Cited
US3734389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |