US4437634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic sack holder
Assignee: International Paper Co
•
Filing: 1981-08-28
•
Granted: 1984-03-20
•
Expires: 2001-08-28
Abstract
Abstract The present invention is directed to a device to hold open for loading a limp plastic sack having a pair of integral handles and a body portion terminating in a base portion. It comprises a horizontally disposed base member; a pair of oppositely-disposed, upwardly-projecting side wall members, which are attached at their lower ends to the base member; an upwardly projecting rear wall member, wherein each vertical edge of the rear wall member is attached to a vertical edge of each of the side wall members; and means to engage the handles of the plastic sack, said means comprising a pair of spaced apart protuberances that are affixed to the outer side, and near the upper edge, of each of the side wall members. Preferably, the height of each side wall member is slightly smaller than the height of the plastic sack to be loaded therein, and the internal perimeter of the base member is at least equal to or slightly greater than the perimeter of the base of the plastic sack when the sack is in an open position ready for loading.
Inventors
- 👤 Thomas P. Hambleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:02
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/04; B65F1/06; B65B; B65B67/00; B65B67/12; B65B67/1222; B65B67/1227; B65F2001/061
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
156 words
A device to hold open for loading a limp plastic sack having a pair of integral handles and a body portion terminating in a base portion, said device comprising: (a) a base member; (b) a pair of side wall members attached at their lower ends to said base member; (c) a rear wall member attached to each of said side wall members; (d) means to engage the handles of said plastic sack, said means comprising a pair of spaced apart knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 2
Independent Claim
156 words
A device to hold open for loading a limp plastic sack having a pair of integral handles and a body portion terminating in a base portion, said device comprising: (a) a base member; (b) a pair of side wall members attached at their lower ends to said base member; (c) a rear wall member attached to each of said side wall members; (d) means to engage the handles of said plastic sack, said means comprising a pair of spaced apart knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 3
Dependent Claim
40 words
A device as claimed in claim 1, wherein the internal perimeter of said base member is slightly greater than the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 4
Dependent Claim
14 words
A device as claimed in claim 2, which is fabricated from a rigid material.
Claim 5
Dependent Claim
15 words
A device as claimed in claim 3, wherein said rigid material is a plastic material.
Claim 6
Independent Claim
174 words
A device to hold open for loading a limp plastic sack having a pair of integral handles and a body portion terminating in a base portion, said device comprising: (a) a horizontally-disposed base member; (b) a pair of oppositely-disposed, upwardly-projecting side wall members attached at their lower ends to said base member; (c) an upwardly-projecting rear wall member, wherein each vertical edge of said rear wall member is attached to a vertical edge of each of said side wall members; (d) means to engage the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 7
Independent Claim
174 words
A device to hold open for loading a limp plastic sack having a pair of integral handles and a body portion terminating in a base portion, said device comprising: (a) a horizontally-disposed base member; (b) a pair of oppositely-disposed, upwardly-projecting side wall members attached at their lower ends to said base member; (c) an upwardly-projecting rear wall member, wherein each vertical edge of said rear wall member is attached to a vertical edge of each of said side wall members; (d) means to engage the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 8
Dependent Claim
40 words
A device as claimed in claim 5, wherein the internal perimeter of said base member is slightly greater than the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 9
Dependent Claim
14 words
A device as claimed in claim 6, which is fabricated from a rigid material.
Claim 10
Dependent Claim
15 words
A device as claimed in claim 7, wherein said rigid material is a plastic material.
Claim 11
Independent Claim
161 words
A device to hold open for loading a limp plastic sack having a pair of integral gusseted handles and a body portion terminating in a base portion, said device comprising: (a) a base member; (b) a pair of side wall members attached at their lower ends to said base member; (c) a rear wall member attached to each of said side wall members; (d) means to engage the gusseted portions of the handles of said plastic sack, said means comprising a pair of spaced apart knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 12
Independent Claim
161 words
A device to hold open for loading a limp plastic sack having a pair of integral gusseted handles and a body portion terminating in a base portion, said device comprising: (a) a base member; (b) a pair of side wall members attached at their lower ends to said base member; (c) a rear wall member attached to each of said side wall members; (d) means to engage the gusseted portions of the handles of said plastic sack, said means comprising a pair of spaced apart knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 13
Dependent Claim
40 words
A device as claimed in claim 9, wherein the internal perimeter of said base member is slightly greater than the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 14
Dependent Claim
14 words
A device as claimed in claim 10, which is fabricated from a rigid material.
Claim 15
Dependent Claim
15 words
A device as claimed in claim 11, wherein said rigid material is a plastic material.
Claim 16
Independent Claim
179 words
A device to hold open for loading a limp plastic sack having a pair of integral, gusseted handles and a body portion terminating in a base portion, said device comprising: (a) a horizontally-disposed base member; (b) a pair of oppositely-disposed, upwardly-projecting side wall members attached at their lower ends to said base member; (c) an upwardly-projecting rear wall member, wherein each vertical edge of said rear wall member is attached to a vertical edge of each of said side wall members; (d) means to engage the gusseted portions of the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 17
Independent Claim
179 words
A device to hold open for loading a limp plastic sack having a pair of integral, gusseted handles and a body portion terminating in a base portion, said device comprising: (a) a horizontally-disposed base member; (b) a pair of oppositely-disposed, upwardly-projecting side wall members attached at their lower ends to said base member; (c) an upwardly-projecting rear wall member, wherein each vertical edge of said rear wall member is attached to a vertical edge of each of said side wall members; (d) means to engage the gusseted portions of the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members; wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 18
Dependent Claim
40 words
A device as claimed in claim 13, wherein the internal perimeter of said base member is slightly greater than the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 19
Dependent Claim
14 words
A device as claimed in claim 14, which is fabricated from a rigid material.
Claim 20
Dependent Claim
15 words
A device as claimed in claim 15, wherein said rigid material is a plastic material.
Claim 21
Independent Claim
157 words
A device to hold open for loading a limp plastic sack having a pair of intergral handles and a body portion terminating in a base portion, said device comprising: (a) a base member; (b) a pair of side wall members attached at their lower ends to said base members; (c) a rear wall member attached to each of said side wall members; and (d) means to engage the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outter side and near the upper edge of each of said side wall members wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 22
Independent Claim
157 words
A device to hold open for loading a limp plastic sack having a pair of intergral handles and a body portion terminating in a base portion, said device comprising: (a) a base member; (b) a pair of side wall members attached at their lower ends to said base members; (c) a rear wall member attached to each of said side wall members; and (d) means to engage the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outter side and near the upper edge of each of said side wall members wherein the height of said side wall members is slightly less than the height of the plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 23
Dependent Claim
14 words
A device as claimed in claim 17, which is fabricated from a rigid material.
Claim 24
Dependent Claim
15 words
A device as claimed in claim 18, wherein said rigid material is a plastic material.
Claim 25
Independent Claim
123 words
A device to hold open for loading a limp plastic sack having a pair of gusseted integral handles and a body portion terminating in a base portion, said device comprising: (a) a horizontally-disposed base member; (b) a pair of oppositely-disposed, upwardly-projecting side wall members attached at their lower ends to said base member; (c) an upwardly-projecting rear wall member, wherein each vertical edge of said rear wall member is attached to a vertical edge of each of said side wall members; and (d) means to engage the gusseted portions of the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members.
Claim 26
Independent Claim
123 words
A device to hold open for loading a limp plastic sack having a pair of gusseted integral handles and a body portion terminating in a base portion, said device comprising: (a) a horizontally-disposed base member; (b) a pair of oppositely-disposed, upwardly-projecting side wall members attached at their lower ends to said base member; (c) an upwardly-projecting rear wall member, wherein each vertical edge of said rear wall member is attached to a vertical edge of each of said side wall members; and (d) means to engage the gusseted portions of the handles of said plastic sack, said means comprising a pair of spaced apart, knob-like protuberances attached to the outer side and near the upper edge of each of said side wall members.
Claim 27
Dependent Claim
70 words
A device as claimed in claim 20, which is fabricated from a rigid material wherein the height of said side wall members is slightly less than the height of plastic sack to be loaded therein and wherein the internal perimeter of said base member is at least equal to the perimeter of the base of said plastic sack when said sack is in an open position and ready for loading.
Claim 28
Dependent Claim
15 words
A device as claimed in claim 21, wherein said rigid material is a plastic 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) | 1987-03-20 | 1987-09-19 | 1988-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-20 | 1991-09-19 | 1992-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-20 | 1995-09-19 | 1996-03-20 | $7700.00 | Window Closed / Lapsed |