US3215814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding of high yield strength steel
Assignee: Airco Inc
•
Filing: 1963-05-31
•
Granted: 1965-11-02
•
Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Karl E Dorschu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:49
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/38; B23K35/383; B23K35/24; B23K35/30; B23K35/3053; B23K35/3066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A BARE CONSUMABLE ELECTRODE FOR ARC WELDING IN ARGON ARC ATMOSPHERES CONTAING OXYGEN IN AN AMOUNT SUFFICIENT TO STABILIZE THE ARC WITHOUT OXIDIZING THE WEL, SAID ELECTODE COMPRISING A LOW ALLOY FERROUS WIRE COMPOSED BY PERCENT WEIGHT ANALYSIS OF 0.05 TO 0.11 CARBON, 1.40 TO 2.36 MANGANESE, 0.29 TO 0.49 SILICON, 1.56 TO 3.00 NICKEL, 0.12 TO 1.61 CHROMIUM, 0.38 TO 0.60 MOLYBDENUM, UP TO 0.59 COPPER, AND 0.010 TO 0.025 TITANIUM, THE BALANCE BEING ESSENTIALLY IRON.
Claim 2
Dependent Claim
77 words
A BARE CONSUMABLE ELECTRODE FOR ARC WELDING IN ARGON ARC ATMOSPHERES CONTAING OXYGEN IN AN AMOUNT SUFFICIENT TO STABILIZE THE ARC WITHOUT OXIDIZING THE WEL, SAID ELECTODE COMPRISING A LOW ALLOY FERROUS WIRE COMPOSED BY PERCENT WEIGHT ANALYSIS OF 0.05 TO 0.11 CARBON, 1.40 TO 2.36 MANGANESE, 0.29 TO 0.49 SILICON, 1.56 TO 3.00 NICKEL, 0.12 TO 1.61 CHROMIUM, 0.38 TO 0.60 MOLYBDENUM, UP TO 0.59 COPPER, AND 0.010 TO 0.025 TITANIUM, THE BALANCE BEING ESSENTIALLY IRON.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |