US3220629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torch carriage
Assignee: Airco Inc
•
Filing: 1963-03-26
•
Granted: 1965-11-30
•
Expires: 1983-03-26
Abstract
No abstract record available.
Inventors
- 👤 Severa B Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/02; B23K37/0211; B23K37/0217; B23K9/00; B23K9/02; B23K9/0206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A WELDING APPARATUS FOR TRANSPORTING A WELDING TORCH ALONG A TRACK, THE COMBINATION OF A TRACK HAVING A BEARING SURFACE WHICH LIES GENERALLY ALONG A PLANE, AT LEAST PARTS OF THE PATH OF THE TRACK ALONG SAID PLANE AND OF THE PROJECTION OF THAT PATH AT RIGHT ANGLES TO SAID PLANE BEING CURVED, A TRAIN ADAPTED FOR CARRYING A WELDING TORCH AND ARRANGED FOR TRAVEL ALONG THE TRACK, SAID TRAIN COMPRISING TWO MEMBERS HAVING MUTUALLY ADJACENT EXTREMITIES PIVOTALLY INTERCONNECTED ON AN AXIS GENERALLY NORMAL TO SAID PLANE, EACH OF WHICH MEMBERS INCLUDES A RESPECTIVE BEARING ROLLER WHICH IS JOURNALLED ON A TRANSVERSE AXIS FIXED IN THAT MEMBER AND GENERALLY PARALLEL WITH SAID PLANE, AND EACH OF WHICH SAID BEARING ROLLERS PERIPHERALLY BEARING ON SAID BEARING SURFACE, A GUIDING SURFACE AS A PART OF SAID TRACK GENERALLY AT RIGHT ANGLES TO SAID BEARING SURFACE, MEMBER GUIDING MEANS INDEPNDENT OF SAID BEAR-
Claim 2
Dependent Claim
151 words
IN A WELDING APPARATUS FOR TRANSPORTING A WELDING TORCH ALONG A TRACK, THE COMBINATION OF A TRACK HAVING A BEARING SURFACE WHICH LIES GENERALLY ALONG A PLANE, AT LEAST PARTS OF THE PATH OF THE TRACK ALONG SAID PLANE AND OF THE PROJECTION OF THAT PATH AT RIGHT ANGLES TO SAID PLANE BEING CURVED, A TRAIN ADAPTED FOR CARRYING A WELDING TORCH AND ARRANGED FOR TRAVEL ALONG THE TRACK, SAID TRAIN COMPRISING TWO MEMBERS HAVING MUTUALLY ADJACENT EXTREMITIES PIVOTALLY INTERCONNECTED ON AN AXIS GENERALLY NORMAL TO SAID PLANE, EACH OF WHICH MEMBERS INCLUDES A RESPECTIVE BEARING ROLLER WHICH IS JOURNALLED ON A TRANSVERSE AXIS FIXED IN THAT MEMBER AND GENERALLY PARALLEL WITH SAID PLANE, AND EACH OF WHICH SAID BEARING ROLLERS PERIPHERALLY BEARING ON SAID BEARING SURFACE, A GUIDING SURFACE AS A PART OF SAID TRACK GENERALLY AT RIGHT ANGLES TO SAID BEARING SURFACE, MEMBER GUIDING MEANS INDEPNDENT OF SAID BEAR-
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |