Patent US3138048A successfully refreshed from Google Patents.
US3138048A
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Classification of sheet material
Assignee: National Steel Corp
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Filing: 1963-09-24
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Granted: 1964-06-23
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Gladden W Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:02
CPC Classifications
B; B21; B21B; B21B39/00; B21B39/002; B65; B65H; B65H43/00; B65H43/04; Y; Y10; Y10T; Y10T83/00; Y10T83/202; Y10T83/2074; Y10T83/2083; Y10T83/2085; Y10T83/525; Y10T83/533
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A SHEAR LINE FOR CONTINUOUS STRIP MATERIAL INCLUDING A SHEAR FOR CUTTING SUCCESSIVE SHEET PORTIONS OF CONTINUOUS STRIP MATERIAL INTO SHEETS OF PREDETERMINED LENGTH AND DEFLECTOR MEANS OPERABLE TO DIRECT SHEETS ALONG A PREDETERMINED PATH, THE COMBINATION COMPRISING DETECTOR MEANS FOR DETECTING DEFECTS IN THE STRIP MATERIAL ON ITS WAY TO THE SHEAR AND PRODUCING SIGNALS INDICATIVE OF SUCH DEFECTS, A SERIES OF ISOLATED ENERGY STORAGE MEANS EACH INDICATIVE OF A SINGLE SHEET PORTION OF THE CONTINUOUS STRIP MATERIAL, MEANS FOR SUCCESSIVELY COUPLING THE DETECTOR MEANS TO ISOLATED ENERGY STORAGE MEANS OF THE SERIES IN SYNCHRONISM WITH SUCCESSIVE MOVEMENT OF SHEET PORTIONS
Claim 2
Dependent Claim
103 words
IN A SHEAR LINE FOR CONTINUOUS STRIP MATERIAL INCLUDING A SHEAR FOR CUTTING SUCCESSIVE SHEET PORTIONS OF CONTINUOUS STRIP MATERIAL INTO SHEETS OF PREDETERMINED LENGTH AND DEFLECTOR MEANS OPERABLE TO DIRECT SHEETS ALONG A PREDETERMINED PATH, THE COMBINATION COMPRISING DETECTOR MEANS FOR DETECTING DEFECTS IN THE STRIP MATERIAL ON ITS WAY TO THE SHEAR AND PRODUCING SIGNALS INDICATIVE OF SUCH DEFECTS, A SERIES OF ISOLATED ENERGY STORAGE MEANS EACH INDICATIVE OF A SINGLE SHEET PORTION OF THE CONTINUOUS STRIP MATERIAL, MEANS FOR SUCCESSIVELY COUPLING THE DETECTOR MEANS TO ISOLATED ENERGY STORAGE MEANS OF THE SERIES IN SYNCHRONISM WITH SUCCESSIVE MOVEMENT OF SHEET PORTIONS
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |