Patent US6299637B1 successfully refreshed from Google Patents.
US3135857A
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Method and apparatus for electronically guided welding
Assignee: ACF Industries Inc
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Filing: 1960-01-11
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Granted: 1964-06-02
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Voros Geza Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/127; B23K9/1272; B23K9/1274; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/128
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
THE METHOD OF WELDING A WORKPIECE, COMPRISING ESTABLISHING THE DESIRED COURSE OF THE WELD ON THE WORKPIECE BY PRODUCING A DARK LINE THEREON, POSITIONING THE HEAD OF A WELDER ADJACENT SAID COURSE, AFFIXING ILLUMINATING AND OPTICAL SCANNING MEANS TO THE WELDER HEAD, CONTINUOUSLY ILLUMINATING A PORTION OF THE COURSE CLOSELY AHEAD OF THE WELDING HEAD WHILE MOVING THE WELDING HEAD ALONG THE WORKPIECE LONGITUDINALLY OF THE COURSE, SEPARATELY SCANNING TWO SPOTS OF THE ILLUMINATED PORTION WHICH ARE LATERALLY SPACED AND SO SMALL THAT NORMALLY THEY LIE ENTIRELY ON SAID LINE, AND MOVING THE WELDING
References Cited (Backward Citations)
US2237950A
Cited
US2419641A
Cited
GB622472A
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DE973835C
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US2777069A
Cited
US2946894A
Cited
US3017552A
Cited
US3037888A
Cited
US2961548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |