US3275797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-in-circuit metal arc welding
Assignee: Union Carbide Corp
•
Filing: 1964-05-13
•
Granted: 1966-09-27
•
Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 August F Manz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:54
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/10; B23K9/09; B23K9/091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
SHORT-CIRCUITING TYPE METAL TRANSFER ARC WELDING WHICH COMPRISES ENERGIZING A SHORT-CIRCUITING TYPE METAL TRANSFER ARC BETWEEN A CONSUMABLE METAL ELECTRODE AND WORK TO WELDED WHILE FEEDING SUCH ELECTRODE TOWARD THE WORK, WITH WELDING POWER DERIVED FROM A SOURCE HAVING A VOLT-AMPERE CHARACTERISTIC SUCH THAT THE MAXIMUM VALUE OF CURRENT AT EACH SHORT CIRCUIT TRANSFER IS LESS THAN THE ARC CURRENT BETWEEN SUCH TRANSFERS, WHEREBY OBJECTIONABLE SPATTER IS MINIMIZED.
Claim 2
Dependent Claim
68 words
SHORT-CIRCUITING TYPE METAL TRANSFER ARC WELDING WHICH COMPRISES ENERGIZING A SHORT-CIRCUITING TYPE METAL TRANSFER ARC BETWEEN A CONSUMABLE METAL ELECTRODE AND WORK TO WELDED WHILE FEEDING SUCH ELECTRODE TOWARD THE WORK, WITH WELDING POWER DERIVED FROM A SOURCE HAVING A VOLT-AMPERE CHARACTERISTIC SUCH THAT THE MAXIMUM VALUE OF CURRENT AT EACH SHORT CIRCUIT TRANSFER IS LESS THAN THE ARC CURRENT BETWEEN SUCH TRANSFERS, WHEREBY OBJECTIONABLE SPATTER IS MINIMIZED.
References Cited (Backward Citations)
US2886696A
Cited
US3054884A
Cited
US3122629A
Cited
US3113245A
Cited
US3125671A
Cited
US3180969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |