US3142158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoelectric cooling device
Assignee: Individual
•
Filing: 1962-05-28
•
Granted: 1964-07-28
•
Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Podolsky Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/44; A61M19/00; A61M2205/00; A61M2205/36; A61M2205/3606; A61M2205/3673
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A THERMOELECTRIC COOLING DEVICE COMPRISING A METAL WALL, A THIN FILM OF ELECTRICALLY CONDUCTIVE MATERIAL COATED ON SAID WALL, SAID WALL AND FILM BEING OF SUCH MATERIALS AS TO COMPRISE A THERMOCOUPLE, AND MEANS FOR CONNECTING SAID WALL AND FILM IN SERIES WITH A SOURCE OF ELECTRIC CURRENT WHEREBY AS SAID CURRENT FLOWS THROUGH SAID WALL AND FILM THEIR TEMPERTURE WILL DECREASE.
Claim 2
Dependent Claim
62 words
A THERMOELECTRIC COOLING DEVICE COMPRISING A METAL WALL, A THIN FILM OF ELECTRICALLY CONDUCTIVE MATERIAL COATED ON SAID WALL, SAID WALL AND FILM BEING OF SUCH MATERIALS AS TO COMPRISE A THERMOCOUPLE, AND MEANS FOR CONNECTING SAID WALL AND FILM IN SERIES WITH A SOURCE OF ELECTRIC CURRENT WHEREBY AS SAID CURRENT FLOWS THROUGH SAID WALL AND FILM THEIR TEMPERTURE WILL DECREASE.
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |