US3029165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Malleable-cored hard surfacing welding electrode
Assignee: Huntington Alloys Corp
•
Filing: 1960-08-26
•
Granted: 1962-04-10
•
Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Kihlgren
- 👤 Leon M Petryck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:56
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; B23K35/24; B23K35/30; B23K35/3053; B23K35/3066; B23K35/32; B23K35/327; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/29; Y10T428/2913; Y10T428/2918; Y10T428/292; Y10T428/2933; Y10T428/294; Y10T428/2951; Y10T428/2955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A WELDING ELECTRODE FOR HARD FACING HAVING A FERROUS CORE WIRE CONTAINING ABOUT 3.7% NICKEL, ABOUT 1.5% CHROMIUM, 0.1% CARBON, ABOUT 0.4% MANGANESE, ABOUT 0.3% SILICON WITH THE BALANCE ESSENTIALLY IRON AND HAVING A FLUX COATING CONTAINING IN PARTS BY WEIGHT ABOUT 31 PARTS OF CALCIUM CARBONATE, ABOUT 4 PARTS OF STRONTIUM CARBONATE, ABOUT 21 PARTS OF CALCIUM FLUORIDE, ABOUT 12 PARTS OF FINE GRAPHITE, ABOUT 10 PARTS OF COARSE GRAPHITE, ABOUT 18 PARTS OF SILICON, ABOUT 4 PARTS OF BENTONITE, AND A SILICATE TYPE BINDER; SAID ELECTRODE CONTAINING ABOUT 25% OF FLUX COATING BY WEIGHT OF THE ELECTRODE.
Claim 2
Dependent Claim
99 words
A WELDING ELECTRODE FOR HARD FACING HAVING A FERROUS CORE WIRE CONTAINING ABOUT 3.7% NICKEL, ABOUT 1.5% CHROMIUM, 0.1% CARBON, ABOUT 0.4% MANGANESE, ABOUT 0.3% SILICON WITH THE BALANCE ESSENTIALLY IRON AND HAVING A FLUX COATING CONTAINING IN PARTS BY WEIGHT ABOUT 31 PARTS OF CALCIUM CARBONATE, ABOUT 4 PARTS OF STRONTIUM CARBONATE, ABOUT 21 PARTS OF CALCIUM FLUORIDE, ABOUT 12 PARTS OF FINE GRAPHITE, ABOUT 10 PARTS OF COARSE GRAPHITE, ABOUT 18 PARTS OF SILICON, ABOUT 4 PARTS OF BENTONITE, AND A SILICATE TYPE BINDER; SAID ELECTRODE CONTAINING ABOUT 25% OF FLUX COATING BY WEIGHT OF THE 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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |