Patent US3139925A successfully refreshed from Google Patents.
US3139925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baseboard radiator
Assignee: Kramer Trenton Co
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Filing: 1961-05-23
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Granted: 1964-07-07
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Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Kramer Israel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:09
CPC Classifications
F; F24; F24D; F24D19/00; F24D19/02; F24D19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A HEAT RADIATING ASSEMBLY DESIGNED AND ADAPTED FOR INCORPORATION IN BASEBOARD RADIATORS HAVING AN ENCLOSING HOUSING WITH BACK AND FRONT AND SUPPORTING MEANS FOR THE ASSEMBLY WITHIN THE HOUSING, SAID ASSEMBLY COMPRISING, A LONGITUDINAL TUBE FOR THE FLOW OF HEATED FLUID, RADIATING FINS POSITIONED ON THE TUBE IN THERMAL BOND THEREWITH, SAID SUPPORTING MEANS BEING PROVIDED WITH AT LEAST ONE NOTCH IN ITS UPPER SURFACE, AND AT LEAST ONE RAIL LIKE ELEMENT FIRMLY SET IN THE LOWER PORTIONS OF THE FINS AND PROJECTING DOWNWARDLY IN A SUBSTANTIALLY VERTICAL DIRECTION FROM THE LOWER EDGES THEREOF WITH ITS BOTTOM FITTED FOR FREE SLIDING LONGITUDINAL RECIPROCATION IN THE NOTCH OF THE SUPPORTING MEANS UNDER THE INFLUENCE OF THERMAL EXPANSION AND CONTRACTION WHILE BEING PREVENTED FROM LATERAL MOVEMENT GREATER THAN THAT REQUIRED FOR THE SAID FREE SLIDING RECIPROCATION AND THUS AVOIDING SCRAPING CONTACT OF THE FIN SIDE EDGES WITH ANY PART OF THE ASSEMBLY.
Claim 2
Dependent Claim
150 words
A HEAT RADIATING ASSEMBLY DESIGNED AND ADAPTED FOR INCORPORATION IN BASEBOARD RADIATORS HAVING AN ENCLOSING HOUSING WITH BACK AND FRONT AND SUPPORTING MEANS FOR THE ASSEMBLY WITHIN THE HOUSING, SAID ASSEMBLY COMPRISING, A LONGITUDINAL TUBE FOR THE FLOW OF HEATED FLUID, RADIATING FINS POSITIONED ON THE TUBE IN THERMAL BOND THEREWITH, SAID SUPPORTING MEANS BEING PROVIDED WITH AT LEAST ONE NOTCH IN ITS UPPER SURFACE, AND AT LEAST ONE RAIL LIKE ELEMENT FIRMLY SET IN THE LOWER PORTIONS OF THE FINS AND PROJECTING DOWNWARDLY IN A SUBSTANTIALLY VERTICAL DIRECTION FROM THE LOWER EDGES THEREOF WITH ITS BOTTOM FITTED FOR FREE SLIDING LONGITUDINAL RECIPROCATION IN THE NOTCH OF THE SUPPORTING MEANS UNDER THE INFLUENCE OF THERMAL EXPANSION AND CONTRACTION WHILE BEING PREVENTED FROM LATERAL MOVEMENT GREATER THAN THAT REQUIRED FOR THE SAID FREE SLIDING RECIPROCATION AND THUS AVOIDING SCRAPING CONTACT OF THE FIN SIDE EDGES WITH ANY PART OF THE ASSEMBLY.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |