US2759083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying hard-facing metals
Assignee: Union Carbide Corp
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Filing: 1954-04-02
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Granted: 1956-08-14
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Expires: 1974-04-02
Abstract
No abstract record available.
Inventors
- 👤 Kenneth E Richter
- 👤 Lloyd W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:59
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/16; B23K9/164; B23K9/04; B23K9/044; B23K9/046; B23K9/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
APPARATUS FOR HAND FACING A METAL WORKPIECE TO FORM THEREON A WEAR-RESISTANT SURFACE, WHICH COMPRISES MEANS FOR STRIKING AN ARC ON THE METAL WORKPIECE TO FORM THEREON A WELD PUDDLE, MEANS FOR SHIELDING THE ARC AND WELD PUDDLE WITH A STREAM OF GAS, MEANS FOR PROJECTING A STREAM OF HARD-FACING PARTICLES THROUGH THE SHIELDING GAS INTO SAID WELD PUDDLE, MEANS FOR PROGRESSING THE ARC, WELD PUDDLE, SHIELDING GAS AND STREAM OF HARD-FACING PARTICLES SIMULTANEOUSLY ALONG A LINE OF WELD ON SAID METAL WORKPIECE, AND MEANS FOR SIMULTANEOUSLY OSCILLATING SAID STREAM OF HARD-FACING PARTICLES TRAVERSELY WITH RESPECT TO SAID LINE OF WELD TO DISTRIBUTE SAID PARTICLES UNIFORMLY THROUGHOUT THE WELD PUDDLE.
Claim 2
Dependent Claim
110 words
APPARATUS FOR HAND FACING A METAL WORKPIECE TO FORM THEREON A WEAR-RESISTANT SURFACE, WHICH COMPRISES MEANS FOR STRIKING AN ARC ON THE METAL WORKPIECE TO FORM THEREON A WELD PUDDLE, MEANS FOR SHIELDING THE ARC AND WELD PUDDLE WITH A STREAM OF GAS, MEANS FOR PROJECTING A STREAM OF HARD-FACING PARTICLES THROUGH THE SHIELDING GAS INTO SAID WELD PUDDLE, MEANS FOR PROGRESSING THE ARC, WELD PUDDLE, SHIELDING GAS AND STREAM OF HARD-FACING PARTICLES SIMULTANEOUSLY ALONG A LINE OF WELD ON SAID METAL WORKPIECE, AND MEANS FOR SIMULTANEOUSLY OSCILLATING SAID STREAM OF HARD-FACING PARTICLES TRAVERSELY WITH RESPECT TO SAID LINE OF WELD TO DISTRIBUTE SAID PARTICLES UNIFORMLY THROUGHOUT THE WELD PUDDLE.
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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |