US3071678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding process and apparatus
Assignee: Union Carbide Corp
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Filing: 1960-11-15
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Granted: 1963-01-01
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Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 John H Neely
- 👤 Robert S Zuchowski
- 👤 William B Sharav
- 👤 Frederick H Sasse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
B; B23; B23K; B23K10/00; B23K10/02; B05; B05B; B05B7/00; B05B7/16; B05B7/22; B05B7/222; B05B7/226; C; C23; C23C; C23C4/00; C23C4/12; C23C4/134; H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32; H05H1/34; H05H1/3405; H05H1/3478; H05H1/42; H05H1/3452
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
PROCESS OF WELD-SURFACING WHICH COMPRISES DISCHARGING SUITABLE GAS THROUGH A NOZZLE HAVING AN INNER CYLINDRICAL WALL SURROUNDING THE END PORTION OF A NON-CONSUMABLE STICK ELECTRODE IN SPACED CONCENTRIC RELATION, ENERGIZING A NON-TRANSFERRED HIGH PRESSURE ARC BETWEEN THE END OF SUCH ELECTRODE AND SAID NOZZLE TO PRODUCE AN EFFLUENT, FEEDING SURFACING METAL IN THE FORM OF GAS-BORNE POWER THROUGH A FUNNEL SHAPED PASSAGE THE CENTRAL AXIS
Claim 2
Dependent Claim
65 words
PROCESS OF WELD-SURFACING WHICH COMPRISES DISCHARGING SUITABLE GAS THROUGH A NOZZLE HAVING AN INNER CYLINDRICAL WALL SURROUNDING THE END PORTION OF A NON-CONSUMABLE STICK ELECTRODE IN SPACED CONCENTRIC RELATION, ENERGIZING A NON-TRANSFERRED HIGH PRESSURE ARC BETWEEN THE END OF SUCH ELECTRODE AND SAID NOZZLE TO PRODUCE AN EFFLUENT, FEEDING SURFACING METAL IN THE FORM OF GAS-BORNE POWER THROUGH A FUNNEL SHAPED PASSAGE THE CENTRAL AXIS
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |