Patent US3296689A successfully refreshed from Google Patents.
US3296689A
Expired / Lapsed
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Method for identifying selective sections of a metallic material
Assignee: Kaiser Steel Corp
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Filing: 1965-02-01
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Granted: 1967-01-10
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Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Harold H Daughters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:45
CPC Classifications
G; G09; G09F; G09F3/00; B; B21; B21C; B21C51/00; B21C51/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49771; Y10T29/49789; Y10T29/49798; Y10T29/49826; Y10T29/49828; Y10T29/49829
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN THE METHOD FOR IDENTIFYING AND MAINTAINING THE IDENTITY OF SELECTED PORTIONS OF A STRIP OF METAL OF A GIVEN MATERIAL DURING THE PROCESSING THEREOF, THE STEPS OF APPLYING A COATING OF MATERIAL DISSIMILAR TO SAID STRIP OF METAL AND HAVING THE CHARACTERISTICS OF HEAT REFLECTION TO SELECTED SURFACE AREAS OF SAID METAL BEING PROCESSED, SUBJECTING THE COATED AND UNCOATED AREAS TO HEAT AND THEREAFTER DETECTING THE COATED AND UNCOATED AREAS BY OBSERVING THE NOTICEABLE DIFFERENCE IN THE TEMPERATURE CHARACTERISTICS OF THE COATED AND UNCOATED AREAS OF THE METAL DUE TO THE DIFFERENT TEMPERATURE LEVELS REACHED BY THE COATED AND UNCOATED AREAS.
Claim 2
Dependent Claim
102 words
IN THE METHOD FOR IDENTIFYING AND MAINTAINING THE IDENTITY OF SELECTED PORTIONS OF A STRIP OF METAL OF A GIVEN MATERIAL DURING THE PROCESSING THEREOF, THE STEPS OF APPLYING A COATING OF MATERIAL DISSIMILAR TO SAID STRIP OF METAL AND HAVING THE CHARACTERISTICS OF HEAT REFLECTION TO SELECTED SURFACE AREAS OF SAID METAL BEING PROCESSED, SUBJECTING THE COATED AND UNCOATED AREAS TO HEAT AND THEREAFTER DETECTING THE COATED AND UNCOATED AREAS BY OBSERVING THE NOTICEABLE DIFFERENCE IN THE TEMPERATURE CHARACTERISTICS OF THE COATED AND UNCOATED AREAS OF THE METAL DUE TO THE DIFFERENT TEMPERATURE LEVELS REACHED BY THE COATED AND UNCOATED AREAS.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |