US4368841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper container
Assignee: Huhtamaki Consumer Packaging Inc
•
Filing: 1980-08-07
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Granted: 1983-01-18
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Expires: 2000-08-07
Abstract
Abstract A container comprising a generally circular or frustoconical tubular paperboard sidewall having a closed bottom wherein the upper end of said sidewall has been folded outwardly and downwardly then upwardly back upon itself so as to form a rim of three thicknesses of said sidewall paperboard surrounding the upper end of the container.
Inventors
- 👤 William Eddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:10
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/28; B65D3/30
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
88 words
A container comprising a generally circular or frustoconical tubular paperboard sidewall having a closed bottom wherein the upper end of said sidewall has been folded outwardly and downwardly and outwardly and then upwardly back upon itself so as to form a rim of three thicknesses of said sidewall paperboard surrounding the open upper end of the container, said free edge of the upper end of the sidewall being folded over so that said free edge rests above in vertical alignment with the innermost portion of the sidewall layer.
Claim 2
Dependent Claim
88 words
A container comprising a generally circular or frustoconical tubular paperboard sidewall having a closed bottom wherein the upper end of said sidewall has been folded outwardly and downwardly and outwardly and then upwardly back upon itself so as to form a rim of three thicknesses of said sidewall paperboard surrounding the open upper end of the container, said free edge of the upper end of the sidewall being folded over so that said free edge rests above in vertical alignment with the innermost portion of the sidewall layer.
Claim 3
Dependent Claim
18 words
A container according to claim 1 wherein said tubular paperboard sidewall is formed from spirally wound paperboard stock.
Claim 4
Dependent Claim
34 words
A container according to claim 3 closed with a top end closure comprising a generally circular end portion surrounded by a downwardly depending flange portion in frictional engagement with the rim of said sidewall.
Claim 5
Dependent Claim
34 words
A container according to claim 1 closed with a top end closure comprising a generally circular end portion surrounded by a downwardly depending skirt portion in frictional engagement with the rim of said container.
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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) | 1986-01-17 | 1986-07-19 | 1987-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-17 | 1990-07-19 | 1991-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-17 | 1994-07-19 | 1995-01-18 | $7700.00 | Window Closed / Lapsed |