US3152636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-exchange apparatus
Assignee: Slant-Fin Radiator Corp
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Filing: 1961-08-14
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Granted: 1964-10-13
•
Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 Distefano Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:18
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/02; F24D19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A BASEBOARD HEAT-EXCHANGE UNIT, INCLUDING A FIN-ANDTUBE UNIT HAVING VERTICAL FINS ON A HORIZONTAL TUBE, SUPPORTING MEANS FOR SAID FIN-AND-TUBE UNIT INCLUDING PLURAL FIXED HORIZONTAL SUPPORT ELEMENTS AT LONGITUDINALLY DISTRIBUTED LOCATIONS, AND A LAYER OF PLIABLE MATERIAL IN SLIDING CONTACT WITH THE TOP OF EACH OF SAID SUPPORT ELEMENTS, THE BOTTOM EDGES OF A PLURALITY OF SAID FINS BEING IN EDGEWISE PRESSURE ENGAGEMENT WITH EACH SAID LAYER.
Claim 2
Dependent Claim
67 words
A BASEBOARD HEAT-EXCHANGE UNIT, INCLUDING A FIN-ANDTUBE UNIT HAVING VERTICAL FINS ON A HORIZONTAL TUBE, SUPPORTING MEANS FOR SAID FIN-AND-TUBE UNIT INCLUDING PLURAL FIXED HORIZONTAL SUPPORT ELEMENTS AT LONGITUDINALLY DISTRIBUTED LOCATIONS, AND A LAYER OF PLIABLE MATERIAL IN SLIDING CONTACT WITH THE TOP OF EACH OF SAID SUPPORT ELEMENTS, THE BOTTOM EDGES OF A PLURALITY OF SAID FINS BEING IN EDGEWISE PRESSURE ENGAGEMENT WITH EACH SAID LAYER.
References Cited (Backward Citations)
US1266363A
Cited
US1313111A
Cited
US1382418A
Cited
US2529684A
Cited
US2656156A
Cited
US2696368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |