Patent US3408481A successfully refreshed from Google Patents.
US3408481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable serving equipment utilizing the peltier phenomenon
Assignee: Individual
•
Filing: 1966-11-23
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Granted: 1968-10-29
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Golden Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:54
CPC Classifications
A; A47; A47J; A47J39/00; A47J39/006; H; H10; H10N; H10N10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN COMBINATION WITH A TRAY HAVING A PLURALITY OF SEPARATED AREAS, EACH SEPARATE AREA PROVIDING MEANS TO RECEIVE MATERIAL TO BE HEATED OR TO BE COOLED, A REMOVABLE COVER POSITIONED ON THE TRAY; THE COVER HAVING MEANS TO COOPERATE WITH THE TRAY TO INSULATE THE AREAS FROM EACH OTHER, AND MEANS TO BE ACTIVATED BY THE PASSAGE OF AN ELECTRIC CURRENT TO CAUSE HEAT TO FLOW FROM ONE AREA TO BE COOLED TO ANOTHER AREA TO BE HEATED.
Claim 2
Dependent Claim
78 words
IN COMBINATION WITH A TRAY HAVING A PLURALITY OF SEPARATED AREAS, EACH SEPARATE AREA PROVIDING MEANS TO RECEIVE MATERIAL TO BE HEATED OR TO BE COOLED, A REMOVABLE COVER POSITIONED ON THE TRAY; THE COVER HAVING MEANS TO COOPERATE WITH THE TRAY TO INSULATE THE AREAS FROM EACH OTHER, AND MEANS TO BE ACTIVATED BY THE PASSAGE OF AN ELECTRIC CURRENT TO CAUSE HEAT TO FLOW FROM ONE AREA TO BE COOLED TO ANOTHER AREA TO BE HEATED.
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |