Patent US3194943A successfully refreshed from Google Patents.
US3194943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-automatic welding gun
Assignee: Hobart Brothers LLC
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Filing: 1962-10-22
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Granted: 1965-07-13
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Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Russell T Flora
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:52
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/18; B23K9/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A WELDING GUN FOR SUPPLYING WELDING WIRE AND GRANULAR FLUX MATERIAL TO A WELDING REGION COMPRISING; A TUBULAR PORTION FORMING A NOZZLE FOR THE GUN, A CYLINDRICAL PORTION AT THE END OF SAID TUBULAR PORTION, GUIDE MEANS EXTENDING THROUGH SAID CYLINDRICAL PORTION AND SAID TUBULAR PORTION AND TERMINATING IN THE REGION OF THE END OF SAID NOZZLE PORTION FOR CONVEYING WIRE TO SAID WELDING REGION, CONDUIT MEANS CONNECTED TO SAID CYLINDRICAL PORTION FOR THE SUPPLY THERETO OF GRANULAR FLUX MATERIAL, SAID FLUX MATERIAL BEING ADAPTED FOR FLOWING BY GRAVITY THROUGH SAID NOZZLE PORTION TO SAID WELDING REGION, SAID CYLINDRICAL PORTION COMPRISING AN END WALL OF TRANSPARENT MATERIAL FOR OBSERVATION OF THE FLOW OF FLUX MATERIAL THROUGH SAID CYLINDRICAL PORTION, SAID FLUX MATERIAL BEING CONVEYED THROUGH SAID CONDUIT MEANS BY
Claim 2
Dependent Claim
129 words
A WELDING GUN FOR SUPPLYING WELDING WIRE AND GRANULAR FLUX MATERIAL TO A WELDING REGION COMPRISING; A TUBULAR PORTION FORMING A NOZZLE FOR THE GUN, A CYLINDRICAL PORTION AT THE END OF SAID TUBULAR PORTION, GUIDE MEANS EXTENDING THROUGH SAID CYLINDRICAL PORTION AND SAID TUBULAR PORTION AND TERMINATING IN THE REGION OF THE END OF SAID NOZZLE PORTION FOR CONVEYING WIRE TO SAID WELDING REGION, CONDUIT MEANS CONNECTED TO SAID CYLINDRICAL PORTION FOR THE SUPPLY THERETO OF GRANULAR FLUX MATERIAL, SAID FLUX MATERIAL BEING ADAPTED FOR FLOWING BY GRAVITY THROUGH SAID NOZZLE PORTION TO SAID WELDING REGION, SAID CYLINDRICAL PORTION COMPRISING AN END WALL OF TRANSPARENT MATERIAL FOR OBSERVATION OF THE FLOW OF FLUX MATERIAL THROUGH SAID CYLINDRICAL PORTION, SAID FLUX MATERIAL BEING CONVEYED THROUGH SAID CONDUIT MEANS BY
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |