US3120742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank cooling system
Assignee: Individual
•
Filing: 1961-10-17
•
Granted: 1964-02-11
•
Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Denisoff Alexander Constantine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:24
CPC Classifications
F; F25; F25D; F25D31/00; F25D31/002; F25D31/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN ICE BANK APPARATUS INCLUDING A TANK HAVING A BOTTOM WALL AN OUTLET OPENING THEREIN, AN EVAPORATOR WITHIN THE TANK, MEANS DEFINING WITH THE TANK BOTTOM WALL A HORIZONTAL OPEN-TOPPED CHANNEL TO LEAD WATER FLOWING UNDER GRAVITY FROM AN INLET REGION OF SAID TANK OVER THE EVAPORATOR TO SAID OUTLET, AND MEANS CIRCULATING WATER BETWEEN THE OUTLET AND THE INLET REGION; DUCT WALL MEANS
Claim 2
Dependent Claim
64 words
IN ICE BANK APPARATUS INCLUDING A TANK HAVING A BOTTOM WALL AN OUTLET OPENING THEREIN, AN EVAPORATOR WITHIN THE TANK, MEANS DEFINING WITH THE TANK BOTTOM WALL A HORIZONTAL OPEN-TOPPED CHANNEL TO LEAD WATER FLOWING UNDER GRAVITY FROM AN INLET REGION OF SAID TANK OVER THE EVAPORATOR TO SAID OUTLET, AND MEANS CIRCULATING WATER BETWEEN THE OUTLET AND THE INLET REGION; DUCT WALL MEANS
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |