Patent US3342974A successfully refreshed from Google Patents.
US3342974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc welding electrode providing welds having high yield and rupture value
Assignee: Individual
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Filing: 1965-10-11
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Granted: 1967-09-19
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Expires: 1985-10-11
Abstract
No abstract record available.
Inventors
- 👤 Wallner Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:45
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; B23K35/24; B23K35/30; B23K35/3053; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/12132; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
WELDING ELECTRODE GIVING A WELDING DEPOSIT WITH HIGH YIELD AND RUPTURE LIMITS, COMPRISING A CORE OF LOW ALLOY STEEL AND A COATING AROUND SAID CORE, SAID COATING COMPRISING 20-30% BY WEIGHT OF LIMESTONE, 20-30% CALCIUM FLUORIDE, 3-7% RUTILE, 2-4% FERRO-SILICON, 5-8% SILICON-MANGANESE, 1-3% FERRO-MOLYBDENUM, 30-40% IRON POWDER, 0.100-0.20% FERRO-BORON AND 0.01-0.15% OF AT LEAST ONE OF THE NITROGEN-BINDING METALS ALUMINUM, TITANIUM, ZIRCONIUM AND VANADIUM, THE AMOUNT OF SUCH NITROGEN-BINDING METAL BEING SUFFICIENT TO ENSURE THE PRESENCE OF SOME BORON IN SOLUBLE FORM IN A WELD PRODUCED FROM SUCH ELECTRODE.
Claim 2
Dependent Claim
89 words
WELDING ELECTRODE GIVING A WELDING DEPOSIT WITH HIGH YIELD AND RUPTURE LIMITS, COMPRISING A CORE OF LOW ALLOY STEEL AND A COATING AROUND SAID CORE, SAID COATING COMPRISING 20-30% BY WEIGHT OF LIMESTONE, 20-30% CALCIUM FLUORIDE, 3-7% RUTILE, 2-4% FERRO-SILICON, 5-8% SILICON-MANGANESE, 1-3% FERRO-MOLYBDENUM, 30-40% IRON POWDER, 0.100-0.20% FERRO-BORON AND 0.01-0.15% OF AT LEAST ONE OF THE NITROGEN-BINDING METALS ALUMINUM, TITANIUM, ZIRCONIUM AND VANADIUM, THE AMOUNT OF SUCH NITROGEN-BINDING METAL BEING SUFFICIENT TO ENSURE THE PRESENCE OF SOME BORON IN SOLUBLE FORM IN A WELD PRODUCED FROM SUCH ELECTRODE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |