US3301251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage block adapted for storage and exchange of heat
Assignee: HEATOVENT ELECTRIC Ltd
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Filing: 1964-09-04
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Granted: 1967-01-31
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Jackson Robert Alfre Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:22
CPC Classifications
F; F24; F24H; F24H7/00; F24H7/02; F24H7/04; F24H7/0408; F24H7/0416
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A STORAGE DEVICE ADAPTED FOR THE STORAGE AND EXCHANGE OF HEAT, COMPRISING A PLURALITY OF STORAGE BLOCKS EACH HAVING A MINERAL MASS OF LOW THERMAL CONDUCTIVITY, HEAT-INSULATING MATERIAL SURROUNDING SAID BLOCKS, SAID BLOCKS HAVING AT LEAST ONE DUCT EXTENDING WHOLLY THROUGH SAID BLOCKS FOR PASSAGE OF AIR THERETHROUGH, HEAT-CONDUCTIVE MEANS BETWEEN SAID BLOCKS FOR EFFECTING TRANSFERENCE OF HEAT ENERGY BETWEEN SAID BLOCKS AND SAID DUCT, SAID HEAT-CONDUCTIVE MEANS BEING MOVABLE IN RELATION TO SAID BLOCKS TO VARY THE HEAT TRANSFER THEREFROM, AND HEATEXCHANGE MEANS EXTENDING FROM SAID HEAT-CONDUCTIVE
Claim 2
Dependent Claim
88 words
A STORAGE DEVICE ADAPTED FOR THE STORAGE AND EXCHANGE OF HEAT, COMPRISING A PLURALITY OF STORAGE BLOCKS EACH HAVING A MINERAL MASS OF LOW THERMAL CONDUCTIVITY, HEAT-INSULATING MATERIAL SURROUNDING SAID BLOCKS, SAID BLOCKS HAVING AT LEAST ONE DUCT EXTENDING WHOLLY THROUGH SAID BLOCKS FOR PASSAGE OF AIR THERETHROUGH, HEAT-CONDUCTIVE MEANS BETWEEN SAID BLOCKS FOR EFFECTING TRANSFERENCE OF HEAT ENERGY BETWEEN SAID BLOCKS AND SAID DUCT, SAID HEAT-CONDUCTIVE MEANS BEING MOVABLE IN RELATION TO SAID BLOCKS TO VARY THE HEAT TRANSFER THEREFROM, AND HEATEXCHANGE MEANS EXTENDING FROM SAID HEAT-CONDUCTIVE
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |