US4192423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner pad
Assignee: Stone Container Corp
•
Filing: 1978-11-06
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Granted: 1980-03-11
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Expires: 1998-11-06
Abstract
Abstract A corner pad for protecting furniture and like articles during shipment is formed from a planar, one piece corrugated blank folded into a four ply tetrahedron. The pad is formed by folding a rectangular array of panels of the blank in a consecutive counter-clockwise sequence. The four-ply tetrahedron corner pad is draped over the corner of an article and provides substantial cushioning protection to the corner during shipment of the article in a container.
Inventors
- 👤 Vernon C. Rekow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:17
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/053; B65D81/055; B65D81/056; B65D2581/00; B65D2581/02; B65D2581/05; B65D2581/051; B65D2581/052; B65D2581/053
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
131 words
A blank for forming a corner pad comprising: two upper substantially square panels connected to four lower substantially square panels, two of said square panels of said lower four square panels being connected along a score line to said upper square panels, said uppper square panels being connected along a score line to each other, and said two remaining lower panels being connected to each other, at least one of said two remaining panels being connected to at least one of said other lower square panels by a score line, each of said square panels including a score line extending along a diagonal, some of said diagonal score lines consisting of two parallel lines, and some of the edges of at least one of said bottom panels including a notch cut.
Claim 2
Dependent Claim
131 words
A blank for forming a corner pad comprising: two upper substantially square panels connected to four lower substantially square panels, two of said square panels of said lower four square panels being connected along a score line to said upper square panels, said uppper square panels being connected along a score line to each other, and said two remaining lower panels being connected to each other, at least one of said two remaining panels being connected to at least one of said other lower square panels by a score line, each of said square panels including a score line extending along a diagonal, some of said diagonal score lines consisting of two parallel lines, and some of the edges of at least one of said bottom panels including a notch cut.
Claim 3
Dependent Claim
20 words
The blank of claim 1 wherein one of said lower panels includes a tab extending outwardly along two sides thereof.
Claim 4
Dependent Claim
16 words
The blank of claim 1 wherein the other lower square panels include a cut line therebetween.
References Cited (Backward Citations)
US2476197A
Cited
US2509468A
Cited
US2692720A
Cited
DE1088423B
Cited
US3151832A
Cited
US3220683A
Cited
US3900156A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-11 | 1983-09-10 | 1984-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-11 | 1987-09-10 | 1988-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-11 | 1991-09-10 | 1992-03-11 | $7700.00 | Window Closed / Lapsed |