US3820692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food shaker and blender
Assignee: Dart Industries Inc
•
Filing: 1973-04-16
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Granted: 1974-06-28
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Expires: 1993-04-16
Abstract
Abstract A food storage receptacle or vessel and blender having an overall shape or configuration that is functional to direct fluid flow patterns therein and effect maximum mixing characteristics thereby. In addition to the noted container configuration there is also included therein a removable blending element also of a prescribed configuration that further maximizes fluid mixing action as the receptacle is shaken in use.
Inventors
- 👤 J Swett
- 👤 S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:02
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/08; B65D47/0857; B65D47/0876; B65D47/089; B65D47/0895; A; A47; A47J; A47J43/00; A47J43/27
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
224 words
A household receptacle and closure for selective use as a beverage shaker or a dispenser, comprising a lower vessel having an open mouth and a mouth rim, a disengageable closure having a relatively large volumetric capacity and having a complimentary mouth adapted to engage the mouth of the lower vessel and to augment the capacity thereof and having a laterally offset upwardly extending peripheral groove extending from the mouth of said closure vessel, the outer wall of said groove having a smaller inner diameter than the outer diameter of the mouth rim of the lower vessel, said groove being removably engageable at the outer wall thereof with said lower vessel mouth rim for sealtight and yieldable engagement therewith, said closure vessel including an inwardly sloping sidewall structure of a dome-like configuration and having on one wall a filling and pouring spout and a removable closure therefor, said lower vessel having adjacent said open mouth a ledge formed on the bell-shaped sidewall thereof and further including in an integral bottom wall having a center positioned internally projecting portion, and a removable blending element having an annular ring positioned on said ledge and further being contacted by said closure, said element also having a plurality of radiating spokes and paddles said paddles being attached only at said annular ring and being positioned intermediate the spokes therearound.
Claim 2
Dependent Claim
224 words
A household receptacle and closure for selective use as a beverage shaker or a dispenser, comprising a lower vessel having an open mouth and a mouth rim, a disengageable closure having a relatively large volumetric capacity and having a complimentary mouth adapted to engage the mouth of the lower vessel and to augment the capacity thereof and having a laterally offset upwardly extending peripheral groove extending from the mouth of said closure vessel, the outer wall of said groove having a smaller inner diameter than the outer diameter of the mouth rim of the lower vessel, said groove being removably engageable at the outer wall thereof with said lower vessel mouth rim for sealtight and yieldable engagement therewith, said closure vessel including an inwardly sloping sidewall structure of a dome-like configuration and having on one wall a filling and pouring spout and a removable closure therefor, said lower vessel having adjacent said open mouth a ledge formed on the bell-shaped sidewall thereof and further including in an integral bottom wall having a center positioned internally projecting portion, and a removable blending element having an annular ring positioned on said ledge and further being contacted by said closure, said element also having a plurality of radiating spokes and paddles said paddles being attached only at said annular ring and being positioned intermediate the spokes therearound.
Claim 3
Dependent Claim
31 words
The household receptacle or shaker according to claim 1 wherein said spokes of the blending element are of a tear-drop shape and said paddles thereon are inwardly directed hemispherically shaped projections.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |