US3287541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature controlled soldering iron
Assignee: Weller Electric Corp
•
Filing: 1964-07-13
•
Granted: 1966-11-22
•
Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Carl E Weller
- 👤 Donald R Fegley
- 👤 Alden J Brassaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/58; B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
AN ELECTRIC SOLDERING IRON HAVING AN SOLDERING TIP, A THERMOMAGNETIC ELEMENT POSITIONED TO BE HEATED IN RESPONSE TO THE TEMPERATURE OF THE TIP, AN ELECTRIC HEATING ELEMENT IN THERMAL COMMUNICATION WITH THE TIP, THE IMPROVEMENT OF A CONTROL SUB-ASSEMBLY FOR REGULATING CURRENT SUPPLIED TO THE HEATING ELEMENT COMPRISING, A NONMAGNETIC ELONGATED GUIDE TUBE HAVING AN END ADAPTED TO BE LOCATED ADJACENT THE THERMOMAGNETIC ELEMENT, A MAGNET SLIDABLY DISPOSED IN THE TUBE ADJACENT THE END, THE THERMOMAGNETIC CONTROL ELEMENT HAVING A PARMEABILITY WHICH VARIES UPON VARIATION OF ITS TEMPERATURE TO PROVIDE A MAGNETIC FORCE BETWEEN THE MAGNET AND THE THERMOMAGNETIC CONTROL ELEMENT WHICH DIMINISHES AS THE TEMPERATURE OF THE THERMOMAGNETIC CONTROL ELEMENT INCREASES, STATIONARY MAGNETIC MEANS FIXED IN THE TUBE FOR WITHDRAWING THE MAGNET THROUGH A SELECTED STROKE AWAY FROM THE THERMOMAGNETIC ELEMENT BY MAGNETIC ATTRACTION OF THE MAGNET THEREFOR WHEN THE TEMPERATURE OF THE THERMOMAGNETIC ELEMENT SURPASSES A SELECTED VALUE, AN
Claim 2
Dependent Claim
151 words
AN ELECTRIC SOLDERING IRON HAVING AN SOLDERING TIP, A THERMOMAGNETIC ELEMENT POSITIONED TO BE HEATED IN RESPONSE TO THE TEMPERATURE OF THE TIP, AN ELECTRIC HEATING ELEMENT IN THERMAL COMMUNICATION WITH THE TIP, THE IMPROVEMENT OF A CONTROL SUB-ASSEMBLY FOR REGULATING CURRENT SUPPLIED TO THE HEATING ELEMENT COMPRISING, A NONMAGNETIC ELONGATED GUIDE TUBE HAVING AN END ADAPTED TO BE LOCATED ADJACENT THE THERMOMAGNETIC ELEMENT, A MAGNET SLIDABLY DISPOSED IN THE TUBE ADJACENT THE END, THE THERMOMAGNETIC CONTROL ELEMENT HAVING A PARMEABILITY WHICH VARIES UPON VARIATION OF ITS TEMPERATURE TO PROVIDE A MAGNETIC FORCE BETWEEN THE MAGNET AND THE THERMOMAGNETIC CONTROL ELEMENT WHICH DIMINISHES AS THE TEMPERATURE OF THE THERMOMAGNETIC CONTROL ELEMENT INCREASES, STATIONARY MAGNETIC MEANS FIXED IN THE TUBE FOR WITHDRAWING THE MAGNET THROUGH A SELECTED STROKE AWAY FROM THE THERMOMAGNETIC ELEMENT BY MAGNETIC ATTRACTION OF THE MAGNET THEREFOR WHEN THE TEMPERATURE OF THE THERMOMAGNETIC ELEMENT SURPASSES A SELECTED VALUE, AN
References Cited (Backward Citations)
US2951927A
Cited
US3188448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |