US3129754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer unit
Assignee: Individual
•
Filing: 1959-06-17
•
Granted: 1964-04-21
•
Expires: 1979-06-17
Abstract
No abstract record available.
Inventors
- 👤 Donald H Menzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:40
CPC Classifications
F; F28; F28D; F28D15/00; F28F; F28F23/00; Y; Y10; Y10S; Y10S165/00; Y10S165/051; Y10S165/052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A HEAT TRANSFER SYSTEM OF THE SURFACE TYPE ADAPTED TO TRANSFER HEAT THROUGH A LIQUID HEAT TRANSFER MEDIUM FROM A HEAT SOURCE PROVIDING A RADIATING SURFACE, A TUBULAR SECTION FOR CONDUCTING THE LIQUID MEDIUM IN DIRECT CONTACT WITH A CURVED RADIATING SURFACE, SAID TUBULAR SECTION CONSTITUTING A RELATIVELY FLAT, CURVED PORTION OF RESILIENT MATERIAL INCLUDING FLAT RIM PORTIONS EXTENDING OUTWARDLY ALONG EACH SIDE THEREOF AND SPACED PROJECTIONS ON THE INSIDE OF SAID RADIATING SURFACE BEING DISPOSED FOR SEALED ENGAGEMENT WITH SAID RIMS IN SUCH A WAY THAT SAID RIMS ARE FREE TO SLIDE IN RELATION TO THE PROJECTIONS WHILE MAIN-
Claim 2
Dependent Claim
101 words
IN A HEAT TRANSFER SYSTEM OF THE SURFACE TYPE ADAPTED TO TRANSFER HEAT THROUGH A LIQUID HEAT TRANSFER MEDIUM FROM A HEAT SOURCE PROVIDING A RADIATING SURFACE, A TUBULAR SECTION FOR CONDUCTING THE LIQUID MEDIUM IN DIRECT CONTACT WITH A CURVED RADIATING SURFACE, SAID TUBULAR SECTION CONSTITUTING A RELATIVELY FLAT, CURVED PORTION OF RESILIENT MATERIAL INCLUDING FLAT RIM PORTIONS EXTENDING OUTWARDLY ALONG EACH SIDE THEREOF AND SPACED PROJECTIONS ON THE INSIDE OF SAID RADIATING SURFACE BEING DISPOSED FOR SEALED ENGAGEMENT WITH SAID RIMS IN SUCH A WAY THAT SAID RIMS ARE FREE TO SLIDE IN RELATION TO THE PROJECTIONS WHILE MAIN-
References Cited (Backward Citations)
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |