US2679223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering instrument
Assignee: Individual
•
Filing: 1949-09-16
•
Granted: 1954-05-25
•
Expires: 1969-09-16
Abstract
No abstract record available.
Inventors
- 👤 Edmond G Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:03
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/02; B23K3/025; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/938; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A SOLDERING INSTRUMENT A TIP CAPABLE OF RESHAPING COMPRISES OF A COHERENT SOLID METAL MASS HAVING MANY PARTICLES, SAID PARTICLES EACH COMPRISING A METAL CORE OF GROUP CONSISTING OF COPPER AND SILVER AND A RELATIVELY HIGH RATE OF HEAT ING OF GROUP CONSISTING OF IRON AND NICKEL, THE METAL CORES HAVING A RELATIVELY HIGH RATE OF HEAT CONDUCTIVITY ACCOMPANIED BY A RELATIVELY HIGH RATE OF SOLUBILITY IN A SOLDER OF THE TYPE TO BE USED IN CONNECTION THEREWITH, THE METAL COATINGS HAVING A RELATIVELY LOW RATE OF SOLUBILITY IN SUCH SOLDER, AND THE METAL COATINGS OF ADJACENT PARTICLES OF THE MASS BEING DIRECTLY AND METALLICALLY BONDED TO ONE ANOTHER.
Claim 2
Dependent Claim
110 words
IN A SOLDERING INSTRUMENT A TIP CAPABLE OF RESHAPING COMPRISES OF A COHERENT SOLID METAL MASS HAVING MANY PARTICLES, SAID PARTICLES EACH COMPRISING A METAL CORE OF GROUP CONSISTING OF COPPER AND SILVER AND A RELATIVELY HIGH RATE OF HEAT ING OF GROUP CONSISTING OF IRON AND NICKEL, THE METAL CORES HAVING A RELATIVELY HIGH RATE OF HEAT CONDUCTIVITY ACCOMPANIED BY A RELATIVELY HIGH RATE OF SOLUBILITY IN A SOLDER OF THE TYPE TO BE USED IN CONNECTION THEREWITH, THE METAL COATINGS HAVING A RELATIVELY LOW RATE OF SOLUBILITY IN SUCH SOLDER, AND THE METAL COATINGS OF ADJACENT PARTICLES OF THE MASS BEING DIRECTLY AND METALLICALLY BONDED TO ONE ANOTHER.
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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) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |