Patent US4037081A successfully refreshed from Google Patents.
US4037081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-lunch bucket
Assignee: Individual
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Filing: 1976-06-21
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Granted: 1977-07-19
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Expires: 1996-06-21
Abstract
Abstract A lunch bucket containing an electric heating coil that can be plugged into a household electric outlet, so to heat up a compartment in the bucket for holding hot foods, while another compartment is insulated therefrom so to contain cold foods.
Inventors
- 👤 Bobby V. Aldridge
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:23
CPC Classifications
H; H05; H05B; H05B3/00; A; A45; A45C; A45C11/00; A45C11/20; A47; A47J; A47J47/00; A47J47/14; A47J41/00; A47J41/0038; A47J41/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
An electro-lunch bucket, comprising in combination, a case and hollow compartmented cover pivotally hinged together, said case and cover being of thermally and electrically insulating material, a first compartment in said case for hot food and a second compartment in said case for cold food, said compartments being separated by an upstanding thermally insulating wall, said first compartment having a bottom wall supporting electric heating coil for heating foods in covered trays mounted in said first compartment, said coil being connected to a heat control unit and switch having means electric lead for connection to an electric power source, said first compartment having an upper opening encompassed by a ledge to support said trays by means of a flange about the tray top cover having a first compartment formed internally of said cover to house a thermosbottle retained from falling out by a pivotable wire clip, and including a second compartment formed in said cover to store silverware and a salt and pepper shaker supported in a cage formed on an underside of a lid of said second compartment of said cover, said lid being pivotally secured on one end to the underside of the cover, whereby said lid and cage may be pivotally move to an open position externally of the cover compartments.
Claim 2
Dependent Claim
214 words
An electro-lunch bucket, comprising in combination, a case and hollow compartmented cover pivotally hinged together, said case and cover being of thermally and electrically insulating material, a first compartment in said case for hot food and a second compartment in said case for cold food, said compartments being separated by an upstanding thermally insulating wall, said first compartment having a bottom wall supporting electric heating coil for heating foods in covered trays mounted in said first compartment, said coil being connected to a heat control unit and switch having means electric lead for connection to an electric power source, said first compartment having an upper opening encompassed by a ledge to support said trays by means of a flange about the tray top cover having a first compartment formed internally of said cover to house a thermosbottle retained from falling out by a pivotable wire clip, and including a second compartment formed in said cover to store silverware and a salt and pepper shaker supported in a cage formed on an underside of a lid of said second compartment of said cover, said lid being pivotally secured on one end to the underside of the cover, whereby said lid and cage may be pivotally move to an open position externally of the cover compartments.
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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) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |