US3204081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seam follower with arc scanning
Assignee: Airco Inc
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Filing: 1962-11-16
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Granted: 1965-08-31
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 William F Iceland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:06
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/20; B23Q15/22; B23Q15/24; B23K; B23K9/00; B23K9/12; B23K9/127; B23K9/1272; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q35/127; B23Q35/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A SEAM TRACKING DEVICE, IN COMBINATION, MEANS FOR PRODUCING AN IONIZED STREAM AND FOR MAINTAINING AN ELECTRIC CURRENT ALONG AT LEAST A PORTION OF THE PATH OF SAID STREAM, MEANS TO APPLY SAID STREAM TO THE SURFACE OF AN ELECTRICALLY CONDUCTIVE WORKPIECE HAVING A SEAM THEEIN TO BE FOLLOWED, MEANS TO CAUSE A REPETITIVE SCANNING MOTION OF SAID STREAM TRANSVERSELY OF THE SEAM, MEANS TO DETECT VARIATIONS IN SAID ELECTRIC CURRENT IN SAID STREAM AS THE STREAM CROSSES THE SEAM, AND MEANS TO UTILIZE THE DETECTED VARIATIONS TO CAUSE SAID REPETITIVE SCANNING MOTION TO BE MAINTAINED SUBSTANTIALLY CENTERED RELATIVELY TO THE SEAM.
Claim 2
Dependent Claim
103 words
IN A SEAM TRACKING DEVICE, IN COMBINATION, MEANS FOR PRODUCING AN IONIZED STREAM AND FOR MAINTAINING AN ELECTRIC CURRENT ALONG AT LEAST A PORTION OF THE PATH OF SAID STREAM, MEANS TO APPLY SAID STREAM TO THE SURFACE OF AN ELECTRICALLY CONDUCTIVE WORKPIECE HAVING A SEAM THEEIN TO BE FOLLOWED, MEANS TO CAUSE A REPETITIVE SCANNING MOTION OF SAID STREAM TRANSVERSELY OF THE SEAM, MEANS TO DETECT VARIATIONS IN SAID ELECTRIC CURRENT IN SAID STREAM AS THE STREAM CROSSES THE SEAM, AND MEANS TO UTILIZE THE DETECTED VARIATIONS TO CAUSE SAID REPETITIVE SCANNING MOTION TO BE MAINTAINED SUBSTANTIALLY CENTERED RELATIVELY TO THE SEAM.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |