Patent US644853A successfully refreshed from Google Patents.
Patent US3237803A successfully refreshed from Google Patents.
US3237803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stackable container having lip with formed undercuts
Assignee: Illinois Tool Works Inc
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Filing: 1964-10-27
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Granted: 1966-03-01
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Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Edwards Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:51
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/22; B65D1/26; B65D21/00; B65D21/02; B65D21/0233; B65D43/00; B65D43/02; B65D43/0235; B65D43/0237; B65D43/0256; B65D43/0262; B65D51/00; B65D51/16; B65D51/1633; B65D51/1661; B65D51/1666; B65D2401/00; B65D2401/15; B65D2401/25; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00027; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00527; B65D2543/00537; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00657; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/00731; B65D2543/00759; B65D2543/00787; B65D2543/00796
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A THIN-WALL ONE-PIECE PLASTIC CONTAINER COMPRISING A BOTTOM, A CIRCUMFERENTIAL SIDE WALL EXTENDING UPWARDLY AND OUTWARDLY THEREFROM TO AN OPEN UPPER END, AND A DOWN-TURNED LIP AT THE TOP OF SAID SIDE WALL ADAPTED TO RECEIVE A CLOSURE MEMBER, SAID LIP HAVING A PECULIAR PROCLIVITY TOWARD ENTANGLEMENT WITH TH E LIPS OF SIMILAR CONTAINERS NESTED THEREWITH, EACH SAID LIP EXTENDING RADIALLY OUT FROM SAID SIDE WALL AND THEN DOWN AND BACK TOWARDS SAID SIDE WALL TO FORM AN UNDERCUT PORTION, AND SUBSEQUENTLY OUT FROM THE UNDERCUT PORTION AND AND FURTHER HAVING A DEPENDING SKIRT, SAID SIDE WALL HAVING A STACKING RING WITH LOWER EXTERNAL SUPPORTIONG MEANS AND UPPER INTERNAL SUPPORTING MEANS, TO LOWER EXTERNAL SUPPORTING MEANS OF ONE CONTAINER BEING ENGAGEABLE WITH THE UPPER INTERNAL SUPPORTING MEANS OF A SUBJACENT CONTAINER TO SUPPORT A PLURALITY OF CONTAINERS IN TELESCOPED, NESTED, STACKED RELATION WITH THE LIPS OF ADJACENT CUPS FREE OF ONE ANOTHER.
Claim 2
Dependent Claim
152 words
A THIN-WALL ONE-PIECE PLASTIC CONTAINER COMPRISING A BOTTOM, A CIRCUMFERENTIAL SIDE WALL EXTENDING UPWARDLY AND OUTWARDLY THEREFROM TO AN OPEN UPPER END, AND A DOWN-TURNED LIP AT THE TOP OF SAID SIDE WALL ADAPTED TO RECEIVE A CLOSURE MEMBER, SAID LIP HAVING A PECULIAR PROCLIVITY TOWARD ENTANGLEMENT WITH TH E LIPS OF SIMILAR CONTAINERS NESTED THEREWITH, EACH SAID LIP EXTENDING RADIALLY OUT FROM SAID SIDE WALL AND THEN DOWN AND BACK TOWARDS SAID SIDE WALL TO FORM AN UNDERCUT PORTION, AND SUBSEQUENTLY OUT FROM THE UNDERCUT PORTION AND AND FURTHER HAVING A DEPENDING SKIRT, SAID SIDE WALL HAVING A STACKING RING WITH LOWER EXTERNAL SUPPORTIONG MEANS AND UPPER INTERNAL SUPPORTING MEANS, TO LOWER EXTERNAL SUPPORTING MEANS OF ONE CONTAINER BEING ENGAGEABLE WITH THE UPPER INTERNAL SUPPORTING MEANS OF A SUBJACENT CONTAINER TO SUPPORT A PLURALITY OF CONTAINERS IN TELESCOPED, NESTED, STACKED RELATION WITH THE LIPS OF ADJACENT CUPS FREE OF ONE ANOTHER.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |