US3097287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel type heating apparatus and air circulating means therefor
Assignee: BERKO ELECTRIC Manufacturing CORP
•
Filing: 1959-02-09
•
Granted: 1963-07-09
•
Expires: 1979-02-09
Abstract
No abstract record available.
Inventors
- 👤 Knoll David
- 👤 Greenhaus Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:38
CPC Classifications
F; F24; F24H; F24H3/00; F24H3/02; F24H3/04; F24H3/0405; F24H3/0411
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A SPACE HEATING DEVICE, IN COMBINATION, A CASING, AN OUTER FACIALLY EXPOSED AIR-IMPERVIOUS RADIANT HEATING PANEL MOUNTED IN SAID CASING, ELECTRICAL MEANS HEATING SAID PANEL TO RADIATE HEAT INTO THE SPACE BEING HEATED, MEANS FORMING AIR INLETS TO SAID CASING ADJACENT TWO OPPOSITE EDGES OF SAID PANEL, MEANS FORMING AIR OUTLETS FROM SAID CASING ADJACENT THE OTHER TWO OPPOSITE EDGES OF SAID PANEL, AND FAN MEANS IN SAID CASING TO ESTABLISH A POSITIVE CURRENT OF AIR IN THROUGH SAID INLETS, AGAINST AND ALONG THE INNER FACE OF SAID PANEL IN SAID CASING, AND DISCHARGING IT THROUGH SAID OUTLETS, AND INTO THE SPACE BEING HEATED.
Claim 2
Dependent Claim
105 words
IN A SPACE HEATING DEVICE, IN COMBINATION, A CASING, AN OUTER FACIALLY EXPOSED AIR-IMPERVIOUS RADIANT HEATING PANEL MOUNTED IN SAID CASING, ELECTRICAL MEANS HEATING SAID PANEL TO RADIATE HEAT INTO THE SPACE BEING HEATED, MEANS FORMING AIR INLETS TO SAID CASING ADJACENT TWO OPPOSITE EDGES OF SAID PANEL, MEANS FORMING AIR OUTLETS FROM SAID CASING ADJACENT THE OTHER TWO OPPOSITE EDGES OF SAID PANEL, AND FAN MEANS IN SAID CASING TO ESTABLISH A POSITIVE CURRENT OF AIR IN THROUGH SAID INLETS, AGAINST AND ALONG THE INNER FACE OF SAID PANEL IN SAID CASING, AND DISCHARGING IT THROUGH SAID OUTLETS, AND INTO THE SPACE BEING HEATED.
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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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |