Patent US3023302A successfully refreshed from Google Patents.
US3023302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric arc welding
Assignee: Union Carbide Corp
•
Filing: 1957-04-03
•
Granted: 1962-02-27
•
Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Harry E Kennedy
- 👤 Gerard E Claussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/362
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
SHIELDED ELECTRIC METAL ARC WELDING PROCESS WHICH COMPRISES DELIVERING A STREAM OF GAS-CARRIED MAGNETIC FLUX POWDER AROUND THE END PORTION OF A METAL WIRE ELECTRODE TO WHICH, AFTER THE ARC IS STRUCK AND WHILE WELDING CURRENT IS FLOWING IN SUCH WIRE ELECTRODE, SUCH POWDER IS ATTRACTED WITH SUFFICIENT MAGNETIC FORCE TO DOMINATE THE FORCE OF GRAVITY AND FORM A FLUX COVERING ON SUCH A WIRE ELECTRODE, STRIKING A WELDING ARC BETWEEN THE END OF SUCH WIRE AND THE WORK TO BE WELDED, MAINTAINING SUCH
Claim 2
Dependent Claim
84 words
SHIELDED ELECTRIC METAL ARC WELDING PROCESS WHICH COMPRISES DELIVERING A STREAM OF GAS-CARRIED MAGNETIC FLUX POWDER AROUND THE END PORTION OF A METAL WIRE ELECTRODE TO WHICH, AFTER THE ARC IS STRUCK AND WHILE WELDING CURRENT IS FLOWING IN SUCH WIRE ELECTRODE, SUCH POWDER IS ATTRACTED WITH SUFFICIENT MAGNETIC FORCE TO DOMINATE THE FORCE OF GRAVITY AND FORM A FLUX COVERING ON SUCH A WIRE ELECTRODE, STRIKING A WELDING ARC BETWEEN THE END OF SUCH WIRE AND THE WORK TO BE WELDED, MAINTAINING SUCH
References Cited (Backward Citations)
US1589017A
Cited
US1374711A
Cited
US1501266A
Cited
GB248363A
Cited
US1745267A
Cited
GB394319A
Cited
US2053956A
Cited
US2200737A
Cited
GB546961A
Cited
US2291482A
Cited
US2408620A
Cited
GB608270A
Cited
US2544711A
Cited
US2737150A
Cited
US2727125A
Cited
US2803740A
Cited
US2767302A
Cited
US2810063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |