Patent US4787553A successfully refreshed from Google Patents.
US4787553A
Expired / Lapsed
US
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Corner fastening device
Assignee: Individual
•
Filing: 1987-11-30
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Granted: 1988-11-29
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Expires: 2007-11-30
Abstract
Abstract A cardboard box or tray corner fastening device which includes pins to extend down into the flutes of the cardboard at a corner either across or with the line of the flutes. The pins extend from a planar support which provides a support surface for stacking further boxes or trays. A plate bears on the outside of the box near the pins to assist with retention of the pins.
Inventors
- 👤 William M. Hoskins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:37
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/441; B65D5/445; B65D5/001; B65D5/005; B65D5/006; Y; Y10; Y10S; Y10S206/00; Y10S206/821; Y10S229/00; Y10S229/915; Y10S229/918; Y10T; Y10T24/00; Y10T24/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
120 words
A box or tray corner fastening and reinforcing device comprising a substantially planar base having an upper and a lower side, a plurality of pins extending from the lower side of the base and a pair of walls mutually at right angles to each other and to the planar base extending from the upper side of the base, at least two of the pins of the plurality pins being positioned and sized to be inserted into the fluted sections of two adjacent sides of a corrugated cardboard box or tray, there being two sets of two pins, each pair of pins being adapted to be inserted into one each of the adjacent sides of the corrugated cardboard box or tray.
Claim 2
Dependent Claim
120 words
A box or tray corner fastening and reinforcing device comprising a substantially planar base having an upper and a lower side, a plurality of pins extending from the lower side of the base and a pair of walls mutually at right angles to each other and to the planar base extending from the upper side of the base, at least two of the pins of the plurality pins being positioned and sized to be inserted into the fluted sections of two adjacent sides of a corrugated cardboard box or tray, there being two sets of two pins, each pair of pins being adapted to be inserted into one each of the adjacent sides of the corrugated cardboard box or tray.
Claim 3
Dependent Claim
31 words
A device as in claim 1 wherein the base is the shape of a right angled triangle and the walls are respectively positioned along the two sides forming the right angle.
Claim 4
Dependent Claim
58 words
A device as in claim 1 further including plates extending down from the lwoer side of the base in the region of the pins and being substantially parallel to the pins, the plates being adapted to bear onto the outside surface of respective sides of the corrugated cardboard box to assist in retaining the pins in the cardboard.
Claim 5
Dependent Claim
37 words
A device as in claim 3 wherein the plates include at least one detent extending towards the pins to engage onto the sides of the cardboard box to assist with retaining the corner fastener onto the box.
Claim 6
Dependent Claim
43 words
A device as in claim 4 wherein there are two sets of two pins each with the sets of pins in two lines mutually at right angles to each other and two detents one on each plate being between each pair of pins.
Claim 7
Dependent Claim
28 words
A device as in claim 1 further including at least one short post extending from the upper side of the base within the region bounded by the walls.
Claim 8
Dependent Claim
32 words
A device as in claim 1 wherein the pins include pointed ends and serrations along at least part of the length to assist with inserting and retaining the pins in the flutes.
Claim 9
Independent Claim
110 words
A method of fastening and reinforcing a corner of a box or tray and providing a support surface for a similarly dimensioned box or tray comprising the steps of inserting at least one pin each into the fluted section of two adjacent sides of a corrugated cardboard box or tray, the pins being fastened to and extending from a lower side of a planar base portion, the upper side of the planar base portion providing a support surface for a further box or tray, walls being provided on the upper side of the planar base portion to assist with positioning and retaining the box or tray on the support surface.
Claim 10
Independent Claim
110 words
A method of fastening and reinforcing a corner of a box or tray and providing a support surface for a similarly dimensioned box or tray comprising the steps of inserting at least one pin each into the fluted section of two adjacent sides of a corrugated cardboard box or tray, the pins being fastened to and extending from a lower side of a planar base portion, the upper side of the planar base portion providing a support surface for a further box or tray, walls being provided on the upper side of the planar base portion to assist with positioning and retaining the box or tray on the support surface.
Claim 11
Dependent Claim
175 words
A box or tray corner fastening and reinforcing device comprising a substantially planar base having an upper and a lower side, a plurality of pins having sharp ends extending from the lower side of the base and a pair of walls mutually at right angles to each other and to the planar base extending from the upper side of the base, at least two of the pins of the plurality pins being positioned and sized to be inserted into the fluted sections of two adjacent sides of a corrugated cardboard box or tray, therebeing two sets of two pins, each pair of pins being adapted to be pierced into one each of the adjacent sides of the corrugated cardboard box or tray and further including plates extending down from the lower side of the base in the region of the pins and being substantially parallel to the pins, the plates being adapted to bear onto the outside surface of respective sides of the corrugated cardboard box to assist in retaining the pins in the cardboard.
Claim 12
Dependent Claim
175 words
A box or tray corner fastening and reinforcing device comprising a substantially planar base having an upper and a lower side, a plurality of pins having sharp ends extending from the lower side of the base and a pair of walls mutually at right angles to each other and to the planar base extending from the upper side of the base, at least two of the pins of the plurality pins being positioned and sized to be inserted into the fluted sections of two adjacent sides of a corrugated cardboard box or tray, therebeing two sets of two pins, each pair of pins being adapted to be pierced into one each of the adjacent sides of the corrugated cardboard box or tray and further including plates extending down from the lower side of the base in the region of the pins and being substantially parallel to the pins, the plates being adapted to bear onto the outside surface of respective sides of the corrugated cardboard box to assist in retaining the pins in the cardboard.
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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) | 1991-11-29 | 1992-05-30 | 1992-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-29 | 1996-05-30 | 1996-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-29 | 2000-05-30 | 2000-11-29 | $7700.00 | Window Closed / Lapsed |