Patent US3880288A successfully refreshed from Google Patents.
US3880288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container and lid
Assignee: Beatrice Companies Inc
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Filing: 1973-04-23
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Granted: 1975-04-29
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Expires: 1993-04-23
Abstract
Abstract A flexible plastic container and lid are disclosed. The container is a generally cylindrical tub having a circular top opening with a top rim of an inverted, generally U-shaped crosssection. An annular bead is provided on the bight portion of the rim to engage the cover and provide a secure seal. The cover includes a central disc portion having an annular rim of an inverted, generally U-shaped cross-section with the inner leg of the U integral with the periphery of the disc. An annular head on the inner surface of the outer leg snap-locks with the container rim to releasably maintain the cover and container in assembled relation. An annular indexing rib is provided on the bight of the U-shaped cover rim to locate covers stacked on one another. The outer surface of the outer leg portion of the cover is rim tapered inwardly to facilitate stacking of the covers.
Inventors
- 👤 Carl T Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:22
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/0212; 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; B65D2543/0074; B65D2543/00787; B65D2543/00796
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
199 words
A flexible cover for application to a container having a body portion extending upwardly from a base portion and having a circular top opening with a top rim of inverted generally Ushaped cross-section, said cover comprising a planar central portion having a generally circular circumference, an annular rim portion of an inverted generally U-shaped configuration having an inner leg portion formed integrally with said circumference of said central portion, a bight portion carrying an annular indexing rib for positively locating a similar cover stacked on said cover and having an outer leg portion terminating in a plane approximately co-planar with said planar central portion and carrying on the interior surface thereof a circumferential bead for inter-locking with said container rim to releasably retain said cover and container in assembled relation and with the exterior surface of said outer leg being tapered in thickness toward said interior surface of said outer leg commencing at a predetermined point below the juncture of said bight and outer leg portion for facilitating vertical stacking of said flexible covers, and said planar central portion having a diameter greater than the diameter of the interior space which spans said annular rim at said bight portion.
Claim 2
Dependent Claim
199 words
A flexible cover for application to a container having a body portion extending upwardly from a base portion and having a circular top opening with a top rim of inverted generally Ushaped cross-section, said cover comprising a planar central portion having a generally circular circumference, an annular rim portion of an inverted generally U-shaped configuration having an inner leg portion formed integrally with said circumference of said central portion, a bight portion carrying an annular indexing rib for positively locating a similar cover stacked on said cover and having an outer leg portion terminating in a plane approximately co-planar with said planar central portion and carrying on the interior surface thereof a circumferential bead for inter-locking with said container rim to releasably retain said cover and container in assembled relation and with the exterior surface of said outer leg being tapered in thickness toward said interior surface of said outer leg commencing at a predetermined point below the juncture of said bight and outer leg portion for facilitating vertical stacking of said flexible covers, and said planar central portion having a diameter greater than the diameter of the interior space which spans said annular rim at said bight portion.
Claim 3
Dependent Claim
25 words
The flexible cover of claim 1 in which said taper commences at a point below the mid-point of the length of said outer leg portion.
Claim 4
Dependent Claim
44 words
The flexible cover of claim 2 in which the upper section of said exterior surface of said outer leg lies in a vertical plane and in which the tapered portion of said exterior surface forms an angle of approximately 10* with said vertical plane.
Claim 5
Dependent Claim
213 words
A flexible cover for application to a container having a body portion extending upwardly from a transverse base portion and terminating in an outwardly flanged top rim portion of an inverted, generally U-shaped cross-section, comprising: a planar central portion of a predetermined peripheral outline, and a rim portion of an inverted, generally U-shaped configuration having an inner leg portion formed integrally with the periphery of said central portion, the bight portion of said U-shaped rim carrying an indexing rib of a predetermined configuration corresponding generally in outline to that of said predetermined peripheral outline for positively locating a similar cover stacked on said cover, the outer leg portion of said U-shaped rim terminating in a plane approximately co-planar with said planar central portion and carrying on the interior surface thereof a peripheral bead for interlocking with said container rim to releasably retain said cover and container in assembled relation and with the exterior surface of said outer leg being tapered in thickness toward said interior surface of said outer leg commencing at a predetermined point below the juncture of said bight and outer leg portions for facilitating vertical stacking of said covers, and said planar central portion having a greater dimension than the interior dimension spanning said U-shaped rim at said bight portion.
Claim 6
Dependent Claim
213 words
A flexible cover for application to a container having a body portion extending upwardly from a transverse base portion and terminating in an outwardly flanged top rim portion of an inverted, generally U-shaped cross-section, comprising: a planar central portion of a predetermined peripheral outline, and a rim portion of an inverted, generally U-shaped configuration having an inner leg portion formed integrally with the periphery of said central portion, the bight portion of said U-shaped rim carrying an indexing rib of a predetermined configuration corresponding generally in outline to that of said predetermined peripheral outline for positively locating a similar cover stacked on said cover, the outer leg portion of said U-shaped rim terminating in a plane approximately co-planar with said planar central portion and carrying on the interior surface thereof a peripheral bead for interlocking with said container rim to releasably retain said cover and container in assembled relation and with the exterior surface of said outer leg being tapered in thickness toward said interior surface of said outer leg commencing at a predetermined point below the juncture of said bight and outer leg portions for facilitating vertical stacking of said covers, and said planar central portion having a greater dimension than the interior dimension spanning said U-shaped rim at said bight portion.
References Cited (Backward Citations)
US3104045A
Cited
US3237800A
Cited
US3335901A
Cited
US3373896A
Cited
US3391850A
Cited
US3474928A
Cited
US3624787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-28 | 1978-10-28 | 1979-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-28 | 1982-10-28 | 1983-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-28 | 1986-10-28 | 1987-04-29 | $7700.00 | Window Closed / Lapsed |