US3109231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing soldering tips for electric soldering irons
Assignee: Hexacon Electric Co
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Filing: 1960-06-20
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Granted: 1963-11-05
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Expires: 1980-06-20
Abstract
No abstract record available.
Inventors
- 👤 Richard O Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:51
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/22; B23K20/233; B23K3/00; B23K3/02; B23K3/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/94; Y10T; Y10T29/00; Y10T29/49; Y10T29/49787; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD FOR PRODUCING STAINLESS STEEL CLAD SOLDERING IRON TIPS COMPRISING LOOSELY TELESCOPING OVER A COPPER ROD OF CONSIDERABLE LENGTH A STAINLESS STEEL TUBING OF CORRESPONDING LENGTH, THEN COMPRESSING THE TUBING INTO INTIMATE, TIGHTLY HUGGING ENVELOPING RELATION AND ABOUT THE COPPER ROD WITHOUT INTERVENING AIR SPACE AND SO AS TO BE IMMOVABLY BOUND THERETO BY AN INTERMETALLIC SEALING BOND, THEN DIVIDING THE THUS CLAD ROD INTO SOLDERING TIP LENGTHS INCLUDING STRIPPING AWAY FROM EACH SUCH LENGTH A RELATIVELY SHORT END SECTION OF THE TUBING TO PROVIDE A PROJECTING BARE COPPER SOLDERING TIP PORTION HAVING A SUITABLY SHAPED FREE WORKING END, AND THEN IRON PLATING SAID BARE TIP PORTION.
Claim 2
Independent Claim
108 words
A METHOD FOR PRODUCING STAINLESS STEEL CLAD SOLDERING IRON TIPS COMPRISING LOOSELY TELESCOPING OVER A COPPER ROD OF CONSIDERABLE LENGTH A STAINLESS STEEL TUBING OF CORRESPONDING LENGTH, THEN COMPRESSING THE TUBING INTO INTIMATE, TIGHTLY HUGGING ENVELOPING RELATION AND ABOUT THE COPPER ROD WITHOUT INTERVENING AIR SPACE AND SO AS TO BE IMMOVABLY BOUND THERETO BY AN INTERMETALLIC SEALING BOND, THEN DIVIDING THE THUS CLAD ROD INTO SOLDERING TIP LENGTHS INCLUDING STRIPPING AWAY FROM EACH SUCH LENGTH A RELATIVELY SHORT END SECTION OF THE TUBING TO PROVIDE A PROJECTING BARE COPPER SOLDERING TIP PORTION HAVING A SUITABLY SHAPED FREE WORKING END, AND THEN IRON PLATING SAID BARE TIP PORTION.
References Cited (Backward Citations)
US187175A
Cited
US438072A
Cited
US550705A
Cited
US1227346A
Cited
US2001848A
Cited
US2140910A
Cited
US2346462A
Cited
US2558093A
Cited
US2679223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |