Patent US3254228A successfully refreshed from Google Patents.
US3254228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring device
Assignee: Westinghouse Electric Corp
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Filing: 1962-11-15
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Granted: 1966-05-31
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Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 Jablonski Eugene
- 👤 John A Redmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:30
CPC Classifications
C; C30; C30B; C30B13/00; C30B13/28; C30B13/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN AN EQUIPMENT COMPRISING MEANS FOR PRODUCING A NARROW MOLTEN LONGITUDINAL ZONE IN AN ELONGATED RODLIKE MATERIAL AND ADVANCING SUCH ZONE ALONG THE LENGTH THEREOF, AND MOLTEN-ZONE-DIAMETER REGULATING MEANS, THE COMBINATION THEREWITH OF OPTICAL MEANS IN OBSERVANCE OF SAID MOLTEN ZONE FOR PRODUCING A LUMINOUS IMAGE OF THE SAME, PHOTOCELL MEANS, MEANS FOR EFFECTING SCANNING OF SAID LUMINOUS IMAGE BY SAID PHOTOCELL MEANS IN THE MOLTEN-ZONE-DIAMETER-RESPECTATIVE DIRECTION REPETITIVELY AT A CERTAIN SCAN DURATION TIME TO PRODUCE ELECTRICAL PULSES EACH OF A LENGTH REPRESENTATIVE OF THE MOLTEN ZONE DIAMETER AT SUCCESSIVE INTERVALS DURING ITS AFORESAID ADVANCING ALONG THE ROD-LIKE MATERIAL, AND MEANS FOR COMPARING THE LENGTH OF EACH OF SUCH PULSES WITH A REFERENCE LENGTH AND CONTROLLING SAID REGULATING MEANS ACCORDINGLY TO MAINTAIN THE DIAMETER OF SAID MOLTEN ZONE WITHIN CLOSE TOLERANCE LIMITS.
Claim 2
Dependent Claim
132 words
IN AN EQUIPMENT COMPRISING MEANS FOR PRODUCING A NARROW MOLTEN LONGITUDINAL ZONE IN AN ELONGATED RODLIKE MATERIAL AND ADVANCING SUCH ZONE ALONG THE LENGTH THEREOF, AND MOLTEN-ZONE-DIAMETER REGULATING MEANS, THE COMBINATION THEREWITH OF OPTICAL MEANS IN OBSERVANCE OF SAID MOLTEN ZONE FOR PRODUCING A LUMINOUS IMAGE OF THE SAME, PHOTOCELL MEANS, MEANS FOR EFFECTING SCANNING OF SAID LUMINOUS IMAGE BY SAID PHOTOCELL MEANS IN THE MOLTEN-ZONE-DIAMETER-RESPECTATIVE DIRECTION REPETITIVELY AT A CERTAIN SCAN DURATION TIME TO PRODUCE ELECTRICAL PULSES EACH OF A LENGTH REPRESENTATIVE OF THE MOLTEN ZONE DIAMETER AT SUCCESSIVE INTERVALS DURING ITS AFORESAID ADVANCING ALONG THE ROD-LIKE MATERIAL, AND MEANS FOR COMPARING THE LENGTH OF EACH OF SUCH PULSES WITH A REFERENCE LENGTH AND CONTROLLING SAID REGULATING MEANS ACCORDINGLY TO MAINTAIN THE DIAMETER OF SAID MOLTEN ZONE WITHIN CLOSE TOLERANCE LIMITS.
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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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |