US3125861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heat transfer
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:37
CPC Classifications
F; F25; F25B; F25B21/00; F25B2321/00; F25B2321/002; F25B2321/0021; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD OF EFFECTING HEAT TRANSFER UTILIZING A SUBSTANCE WHICH DISPLAYS A FIRST-ORDER SOLID-PHASE-TO-SOLIDPHASE TRANSITION WITH ACCOMPANYING RELATIVELY LARGE CHANGE IN INTERNAL ENERGY CONTENT UNDER THE INFLUENCE OF A MAGENTIC FIELD COMPRISING EXPOSING SAID SUBSTANCE TO A MAGNETIC FIELD PRESELECTED SO AS TO INDUCE SAID SUBSTANCE TO TRAVERSE SAID TRANSITION FROM A FIRST SOLID STATE PHASE TO A SECOND SOLID STATE PHASE, AND THEREAFTER EFFECTING HEAT TRANSFER WITH RESPECT TO SAID SUBSTANCE AS A XONSQUENCE OF CONVERSION TO SAID SECOND STATE.
Claim 2
Independent Claim
81 words
A METHOD OF EFFECTING HEAT TRANSFER UTILIZING A SUBSTANCE WHICH DISPLAYS A FIRST-ORDER SOLID-PHASE-TO-SOLIDPHASE TRANSITION WITH ACCOMPANYING RELATIVELY LARGE CHANGE IN INTERNAL ENERGY CONTENT UNDER THE INFLUENCE OF A MAGENTIC FIELD COMPRISING EXPOSING SAID SUBSTANCE TO A MAGNETIC FIELD PRESELECTED SO AS TO INDUCE SAID SUBSTANCE TO TRAVERSE SAID TRANSITION FROM A FIRST SOLID STATE PHASE TO A SECOND SOLID STATE PHASE, AND THEREAFTER EFFECTING HEAT TRANSFER WITH RESPECT TO SAID SUBSTANCE AS A XONSQUENCE OF CONVERSION TO SAID SECOND STATE.
References Cited (Backward Citations)
US2589775A
Cited
US2780069A
Cited
US2999778A
Cited
US2999777A
Cited
US2989480A
Cited
US2970961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |