Patent US2739503A successfully refreshed from Google Patents.
US2739503A
Expired / Lapsed
US
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Inspection device for moving strip
Assignee: Bethlehem Steel Corp
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Filing: 1952-01-24
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Granted: 1956-03-27
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Expires: 1972-01-24
Abstract
No abstract record available.
Inventors
- 👤 Henry W Nieman
- 👤 George O Maish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:43
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN APPARATUS FOR DETECTING IMPERFECTIONS IN MOVING STRIP BY PHOTOELECTRIC MEANS, A SHIELD FOR THE EDGE OF THE STRIP COMPRISING A ROLLER ADAPTED TO CONTACT THE EDGE OF THE MOVING STRIP, A HOUSING WHEREON SAID ROLLER IS MOUNTED FOR REVOLUTION AGAINST THE EDGE OF THE STRIP, SAID HOUSING HAVING A MEMBER ADAPTED TO OVERLAP THE EDGE OF THE STRIP, LINK MEANS WHEREON SAID HOUSING IS MOUNTED FOR MOVEMENT TRANSVERSELY OF THE NORMAL PATH OF THE STRIP, AND RESILIENT MEANS OPERATIVELY CONNECTED TO SAID LATTER MEANS FOR URGING SAID HOUSING TOWARDS THE STRIP.
Claim 2
Dependent Claim
92 words
IN APPARATUS FOR DETECTING IMPERFECTIONS IN MOVING STRIP BY PHOTOELECTRIC MEANS, A SHIELD FOR THE EDGE OF THE STRIP COMPRISING A ROLLER ADAPTED TO CONTACT THE EDGE OF THE MOVING STRIP, A HOUSING WHEREON SAID ROLLER IS MOUNTED FOR REVOLUTION AGAINST THE EDGE OF THE STRIP, SAID HOUSING HAVING A MEMBER ADAPTED TO OVERLAP THE EDGE OF THE STRIP, LINK MEANS WHEREON SAID HOUSING IS MOUNTED FOR MOVEMENT TRANSVERSELY OF THE NORMAL PATH OF THE STRIP, AND RESILIENT MEANS OPERATIVELY CONNECTED TO SAID LATTER MEANS FOR URGING SAID HOUSING TOWARDS THE STRIP.
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |