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US4037081A Expired / Lapsed US ⏱️ 0.0 years remaining

Electro-lunch bucket

Assignee: Individual
•
Filing: 1976-06-21
•
Granted: 1977-07-19
•
Expires: 1996-06-21
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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 18:30
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.

References Cited (Backward Citations)

US2187196A Cited
US2295221A Cited
US2577870A Cited
US2545127A Cited
US2611851A Cited
US2658986A Cited
US2839654A Cited
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US3591798A Cited
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US3869595A Cited

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

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