Patent US5518162A successfully refreshed from Google Patents.
Patent US3565281A successfully refreshed from Google Patents.
US3565281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: Phillips Petroleum Co
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Filing: 1968-12-11
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Granted: 1971-02-23
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Expires: 1988-12-11
Abstract
Abstract A container is formed of a generally bowl-shaped receptacle which is open at the top. The bottom of the receptacle is provided with a depending shoulder having a recess in the inner surface thereof. A base is secured to the receptacle by means of locking arms which engage the recess in the shoulder. The top portion of the base is sufficiently flexible to permit the two sections of the container to be snapped together when assembled.
Inventors
- 👤 Stafford D Collie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
B; B65; B65D; B65D11/00; B65D11/02; B65D11/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
177 words
A container suitable for use in packaging foodstuffs and the like comprising a generally bowl-shaped receptacle open at the top, the bottom of said receptacle being provided with a circumferential depending shoulder the inner surface of which is provided with a continuous circumferential recess, the portion of said inner surface below said recess being convex in radiant cross section and the portion of said inner surface above said recess being concave in radial cross section and a base secured to said receptacle, the top of said base being provided with a plurality of raised radially extending locking arms, the outer surfaces of which are of substantially the same configuration as the inner surface of said shoulder the top portion of said base being sufficiently flexible to cause the outer surfaces of said projections to mate with the inner surface of said shoulder and be locked therewith when the container is assembled by said base being positioned adjacent said receptacle and a force being applied to the central region of said base in a direction toward said receptacle.
Claim 2
Dependent Claim
177 words
A container suitable for use in packaging foodstuffs and the like comprising a generally bowl-shaped receptacle open at the top, the bottom of said receptacle being provided with a circumferential depending shoulder the inner surface of which is provided with a continuous circumferential recess, the portion of said inner surface below said recess being convex in radiant cross section and the portion of said inner surface above said recess being concave in radial cross section and a base secured to said receptacle, the top of said base being provided with a plurality of raised radially extending locking arms, the outer surfaces of which are of substantially the same configuration as the inner surface of said shoulder the top portion of said base being sufficiently flexible to cause the outer surfaces of said projections to mate with the inner surface of said shoulder and be locked therewith when the container is assembled by said base being positioned adjacent said receptacle and a force being applied to the central region of said base in a direction toward said receptacle.
Claim 3
Dependent Claim
35 words
The container of claim 1 in which said base is of generally bowl-shaped configuration and is inverted relative to said receptacle, said base being of smaller size than said receptacle to form a compote dish.
Claim 4
Dependent Claim
46 words
The container of claim 1 wherein said shoulder has a flat lower surface, the peripheral top region of said base has a flat upper surface, and said locking arms are integral with said base and extend upwardly from the centraL region of the top portion thereof.
Claim 5
Dependent Claim
37 words
The container of claim 1, further comprising a generally flat member positioned within said receptacle and extending across the bottom thereof, said member engaging the sidewalls of said receptacle to form the interior bottom of said receptacle.
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |