US3088018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Consumable electrode arc welding process and apparatus
Assignee: Union Carbide Canada Ltd
•
Filing: 1960-01-29
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Granted: 1963-04-30
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Expires: 1980-01-29
Abstract
No abstract record available.
Inventors
- 👤 John W Ross
- 👤 Ronald F Turbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:57
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0282; B23K9/0286; B23K33/00; B23K33/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
WORK-IN-CIRCUIT MULTI-PASS SIGMA WELDING WITH A SIGMA WELDING TORCH PROVIDED WITH AN ELECTRODE CONTACTGUIDE TUBE, WHICH COMPRISES MAINTAINING A RELATIVELY FIXED DISTANCE BETWEEN THE END OF THE ELECTRODE CONTACT-GUIDE TUBE IN SUCH TORCH AND THE ORIGINAL WORK REGARDLESS OF THE NUMBER OF OVERLAPPING PASSES MADE ON SUCH WORK, IN WHICH THE DIRECTION OF TRAVEL OF THE TORCH IS INSTANTANEOUSLY REVERSED AT THE END OF EACH PASS WITHOUT ANY INTERRUPTION OF THE ARC.
Claim 2
Dependent Claim
72 words
WORK-IN-CIRCUIT MULTI-PASS SIGMA WELDING WITH A SIGMA WELDING TORCH PROVIDED WITH AN ELECTRODE CONTACTGUIDE TUBE, WHICH COMPRISES MAINTAINING A RELATIVELY FIXED DISTANCE BETWEEN THE END OF THE ELECTRODE CONTACT-GUIDE TUBE IN SUCH TORCH AND THE ORIGINAL WORK REGARDLESS OF THE NUMBER OF OVERLAPPING PASSES MADE ON SUCH WORK, IN WHICH THE DIRECTION OF TRAVEL OF THE TORCH IS INSTANTANEOUSLY REVERSED AT THE END OF EACH PASS WITHOUT ANY INTERRUPTION OF THE ARC.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |