Patent US3688973A successfully refreshed from Google Patents.
US3688973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carrying and closing device for bags and sacks
Assignee: Wilh Schauman Oy AB
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Filing: 1970-04-01
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Granted: 1972-09-05
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Expires: 1990-04-01
Abstract
Abstract A carrying and closure device for sizable paper sacks comprises a bar which extends adjacent to the open mouth of the sack over the entire width thereof and consists of a non-elastically flexible material so that said bar forms a carrying handle upon turning down the mouth portion of the sack at least one complete turn around the bar, which handle may be secured in position by bending the corner portions of the folded-down mouth portion including the bar inwardly.
Inventors
- 👤 Salomo Lillkvist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:39
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/30; Y; Y10; Y10S; Y10S383/00; Y10S383/905
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
213 words
A carrying and closing device for sacks and bags of the type having two elongated side walls each terminating in an unbroken free edge at an open end of the sack, comprising a separately formed bar attached throughout substantially its entire length to one said side wall of the sack, said bar extending parallel to said free edge and spaced from the nearest portion of said edge defined by the side wall to which the bar is attached by a distance substantially equal to the width of said bar, said bar being of substantially flat form and comprising: a cover portion of several layers of a material selected from the group consisting of paper, paper board, corrugated board and plastic sheet; and at least one insert portion of a material selected from the group consisting of metal wire and metal strip, said insert portion lying along and within said cover portion, said cover portion having a width substantially greater than the width of the insert portion, so that upon folding down the open end of the sack around the bar, the bar and the end folded therearound form a carrying handle offering a convenient hand grip, said carrying handle being adapted for securement by bending inwardly corners of the handle including the bar.
Claim 2
Dependent Claim
213 words
A carrying and closing device for sacks and bags of the type having two elongated side walls each terminating in an unbroken free edge at an open end of the sack, comprising a separately formed bar attached throughout substantially its entire length to one said side wall of the sack, said bar extending parallel to said free edge and spaced from the nearest portion of said edge defined by the side wall to which the bar is attached by a distance substantially equal to the width of said bar, said bar being of substantially flat form and comprising: a cover portion of several layers of a material selected from the group consisting of paper, paper board, corrugated board and plastic sheet; and at least one insert portion of a material selected from the group consisting of metal wire and metal strip, said insert portion lying along and within said cover portion, said cover portion having a width substantially greater than the width of the insert portion, so that upon folding down the open end of the sack around the bar, the bar and the end folded therearound form a carrying handle offering a convenient hand grip, said carrying handle being adapted for securement by bending inwardly corners of the handle including the bar.
Claim 3
Dependent Claim
21 words
A carrying and closing device as in claim 1, wherein said cover portion extends beyond both ends of said insert portion.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |