US3188448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering iron having temperature control means
Assignee: Individual
•
Filing: 1963-05-20
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Granted: 1965-06-08
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Carl E Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:08
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/03; B23K3/033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN AN ELECTRIC SOLDERING IRON HAVING A SOLDERING TIP, A THERMOMAGNETIC ELEMENT POSITIONED TO BE HEATED IN RESPONSE TO THE TEMPERATURE OF SAID TIP, AND AN ELECTRIC HEATING ELEMENT IN THERMAL COMMUNICATION WITH SAID TIP; THE IMPROVEMENT OF A CONTROL SUBASSEMBLY FOR REGULATING CURRENT SUPPLIED TO SAID HEATING ELEMENT COMPRISING, SWITCH MEANS ASSOCIATED WITH THE CONTROL SUBASSEMBLY, AN ELONGATED NON-MAGNETIC GUIDE TUBE HAVING AN END ADAPTED TO BE LOCATED ADJACENT SAID THERMOMAGNETIC ELEMENT, A MAGNET SLIDABLY DISPOSED IN SAID TUBE ADJACENT SAID END, THE MAGNET BEING COUPLED WITH SAID SWITCH MEANS, AND STATIONARY MAGNETIC MEANS FIXED IN SAID TUBE
Claim 2
Dependent Claim
99 words
IN AN ELECTRIC SOLDERING IRON HAVING A SOLDERING TIP, A THERMOMAGNETIC ELEMENT POSITIONED TO BE HEATED IN RESPONSE TO THE TEMPERATURE OF SAID TIP, AND AN ELECTRIC HEATING ELEMENT IN THERMAL COMMUNICATION WITH SAID TIP; THE IMPROVEMENT OF A CONTROL SUBASSEMBLY FOR REGULATING CURRENT SUPPLIED TO SAID HEATING ELEMENT COMPRISING, SWITCH MEANS ASSOCIATED WITH THE CONTROL SUBASSEMBLY, AN ELONGATED NON-MAGNETIC GUIDE TUBE HAVING AN END ADAPTED TO BE LOCATED ADJACENT SAID THERMOMAGNETIC ELEMENT, A MAGNET SLIDABLY DISPOSED IN SAID TUBE ADJACENT SAID END, THE MAGNET BEING COUPLED WITH SAID SWITCH MEANS, AND STATIONARY MAGNETIC MEANS FIXED IN SAID TUBE
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |