US3074704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable furnace
Assignee: Individual
•
Filing: 1961-07-25
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Granted: 1963-01-22
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Expires: 1981-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ronay Bela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:14
CPC Classifications
B; B23; B23K; B23K28/00; B23K28/003; F; F27; F27B; F27B5/00; F27B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A WELDING FURNACE FOR WELDING ABUTTED ENDS OF WORK PIECES COMPRISING, A SECTIONAL HOUSING ADAPTED TO BE CLAMPED ABOUT AND ENCLOSING THE ABUTTED ENDS OF THE WORK PIECES, A SOLID COMBUSTIBLE FUEL ELEMENT OF ARCUATED SHEET FORM OR SEGMENTS OF AN ARC ADAPTED TO BE CARRIED WITHIN THE HOUSING, MEANS CARRIED WITHIN THE HOUSING ADAPTED TO SUPPORT THE FUEL ELEMENT OUTWARDLY AT A PREDETERMINED DISTANCE FROM THE ABUTTED ENDS OF THE WORK PIECES, THE FUEL ELEMENT HAVING A PLURALITY OF APERTURES TRAVERSING THE ELEMENT THROUGHOUT ITS AREA AND MEANS CARRIED BY THE HOUSING ADJACENT THE CONVEXED SURFACE OF THE FUEL ELEMENT FOR UNIFORMLY SUPPLYING OXYGEN THROUGH THE SAID APERTURES OF THE FUEL ELEMENT TO ITS CONCAVED SURFACE FOR SUPPORTING COMBUSTION OF THE FUEL ELEMENT IN THE AREA BETWEEN THE FUEL ELEMENT AND THE ABUTTED ENDS OF THE WORK PIECES.
Claim 2
Dependent Claim
139 words
A WELDING FURNACE FOR WELDING ABUTTED ENDS OF WORK PIECES COMPRISING, A SECTIONAL HOUSING ADAPTED TO BE CLAMPED ABOUT AND ENCLOSING THE ABUTTED ENDS OF THE WORK PIECES, A SOLID COMBUSTIBLE FUEL ELEMENT OF ARCUATED SHEET FORM OR SEGMENTS OF AN ARC ADAPTED TO BE CARRIED WITHIN THE HOUSING, MEANS CARRIED WITHIN THE HOUSING ADAPTED TO SUPPORT THE FUEL ELEMENT OUTWARDLY AT A PREDETERMINED DISTANCE FROM THE ABUTTED ENDS OF THE WORK PIECES, THE FUEL ELEMENT HAVING A PLURALITY OF APERTURES TRAVERSING THE ELEMENT THROUGHOUT ITS AREA AND MEANS CARRIED BY THE HOUSING ADJACENT THE CONVEXED SURFACE OF THE FUEL ELEMENT FOR UNIFORMLY SUPPLYING OXYGEN THROUGH THE SAID APERTURES OF THE FUEL ELEMENT TO ITS CONCAVED SURFACE FOR SUPPORTING COMBUSTION OF THE FUEL ELEMENT IN THE AREA BETWEEN THE FUEL ELEMENT AND THE ABUTTED ENDS OF THE WORK PIECES.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |