US3237144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared heating unit
Assignee: Individual
•
Filing: 1963-07-22
•
Granted: 1966-02-22
•
Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Stanley V Joeckel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:06
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; H05B3/44; H05B3/0033; H05B3/009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN INFRARED HEATING UNIT COMPRISING AN ELONGATE QUARTZ ROD HAVING A PAIR OF SPACED LONGITUDINAL BORES EXTENDING THERETHROUGH, A CERAMIC ELEMENT AT EACH END OF SAID ROD FOR RECEIVING THE RESPECTIVE ENDS OF SAID ROD AND SUPPORTING SAID ROD, AND A HEATING WIRE EXTENDING THROUGH EACH OF SAID BORES WITH EACH WIRE HAVING AN ARCUATE PORTION AT ONE END, COOPERATING WITH THE OTHER TO PROVIDE A U-FORMATION POSITIONED OUTWARDLY OF SAID BORES AT ONE END OF SAID ROD AND BEING JOINED BY A WELD IN THE SHAPE OF A BEAD OF LARGER DIAMETER THAN SAID WIRES, SAID CERAMIC ELEMENT AT THE END OF SAID ROD WHERE SAID U-FORMATION IS LOCATED HAVING A SURFACE ADAPTED TO ENGAGED BY SAID BEAD TO SLIDABLY SUPPORT SAID BEAD UPON LINEAL THERMAL EXPANSION AND CONTRACTION OF SAID HEATING WIRES, AND MEANS FOR CONNECTING SAID HEATING WIRES TO SUPPLY OF ELECTRICAL POWER AT THE OTHER OF SAID CERAMIC ELEMENTS.
Claim 2
Dependent Claim
153 words
AN INFRARED HEATING UNIT COMPRISING AN ELONGATE QUARTZ ROD HAVING A PAIR OF SPACED LONGITUDINAL BORES EXTENDING THERETHROUGH, A CERAMIC ELEMENT AT EACH END OF SAID ROD FOR RECEIVING THE RESPECTIVE ENDS OF SAID ROD AND SUPPORTING SAID ROD, AND A HEATING WIRE EXTENDING THROUGH EACH OF SAID BORES WITH EACH WIRE HAVING AN ARCUATE PORTION AT ONE END, COOPERATING WITH THE OTHER TO PROVIDE A U-FORMATION POSITIONED OUTWARDLY OF SAID BORES AT ONE END OF SAID ROD AND BEING JOINED BY A WELD IN THE SHAPE OF A BEAD OF LARGER DIAMETER THAN SAID WIRES, SAID CERAMIC ELEMENT AT THE END OF SAID ROD WHERE SAID U-FORMATION IS LOCATED HAVING A SURFACE ADAPTED TO ENGAGED BY SAID BEAD TO SLIDABLY SUPPORT SAID BEAD UPON LINEAL THERMAL EXPANSION AND CONTRACTION OF SAID HEATING WIRES, AND MEANS FOR CONNECTING SAID HEATING WIRES TO SUPPLY OF ELECTRICAL POWER AT THE OTHER OF SAID CERAMIC ELEMENTS.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |