Patent US3748437A successfully refreshed from Google Patents.
US3748437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile food concession cart
Assignee: Macys Inc
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Filing: 1971-07-27
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Granted: 1973-07-24
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Expires: 1991-07-27
Abstract
Abstract A mobile food cart for use in a portable food concession to function as a movable counter beside which a vendor may stand to sell food to customers. The cart is of the type which may be manually moved through doorways so that it may be used indoors and outdoors, and is provided with means to support and operate electrical food conditioning appliances to store and serve hot and cold food. A self-contained sink operates by gravity feed and includes a waste tank and a hot water reservoir having a thermostatically controlled immersion heater.
Inventors
- 👤 I Keeshin
- 👤 R Kruse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:45
CPC Classifications
A; A47; A47B; A47B31/00; A47B31/02; A47B2031/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
334 words
A compact food cart for use as a mobile food concession from which hot and cold food items are sold, said cart being of the size and type which can be manually moved through common doorways and which can serve as a carrier and service counter for the food items to be sold, said cart comprising: a body slightly less than three feet in width and having an upwardly facing horizontal counter surface; two ends, a customer side and a vendor side; vertical walls extending above said horizontal counter surface on said customer side and said two ends; a steerable wheel assembly attached near the bottom of said cart body for supporting said body with said horizontal surface at approximate counter height, and said wheel assembly rendering said cart manually movable in a longitudinal direction; means including said counter surface and said vertical walls for supporting and confining food conditioning appliances accessible from the vendor side of said cart; means for supplying electrical energy to said food conditioning appliances to operate said appliances; a sink disposed beneath said counter surface and having a faucet and a drain and arranged to be accessible from the vendor side of said cart; a water reservoir having an outlet connected to said faucet, said reservoir being disposed behind said upstanding wall on the customer side and being elevated above said faucet so that water will flow into said sink from said reservoir when said faucet is open; a waste tank having an inlet connected to said drain, said tank being positioned below said drain so that water will flow from said sink to said tank when said drain is open; an immersion heater positioned in said reservoir and electrically connected to said electrical power supplying means; and a thermostat having a temperature sensing element positioned in said reservoir and a switch connected in series with said heater and said power supplying means and responsive to said sensing element for controlling the temperature of the water in said reservoir.
Claim 2
Dependent Claim
334 words
A compact food cart for use as a mobile food concession from which hot and cold food items are sold, said cart being of the size and type which can be manually moved through common doorways and which can serve as a carrier and service counter for the food items to be sold, said cart comprising: a body slightly less than three feet in width and having an upwardly facing horizontal counter surface; two ends, a customer side and a vendor side; vertical walls extending above said horizontal counter surface on said customer side and said two ends; a steerable wheel assembly attached near the bottom of said cart body for supporting said body with said horizontal surface at approximate counter height, and said wheel assembly rendering said cart manually movable in a longitudinal direction; means including said counter surface and said vertical walls for supporting and confining food conditioning appliances accessible from the vendor side of said cart; means for supplying electrical energy to said food conditioning appliances to operate said appliances; a sink disposed beneath said counter surface and having a faucet and a drain and arranged to be accessible from the vendor side of said cart; a water reservoir having an outlet connected to said faucet, said reservoir being disposed behind said upstanding wall on the customer side and being elevated above said faucet so that water will flow into said sink from said reservoir when said faucet is open; a waste tank having an inlet connected to said drain, said tank being positioned below said drain so that water will flow from said sink to said tank when said drain is open; an immersion heater positioned in said reservoir and electrically connected to said electrical power supplying means; and a thermostat having a temperature sensing element positioned in said reservoir and a switch connected in series with said heater and said power supplying means and responsive to said sensing element for controlling the temperature of the water in said reservoir.
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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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |