Patent US3149193A successfully refreshed from Google Patents.
US3149193A
Expired / Lapsed
US
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Apparatus for removing surface defects
Assignee: United States Steel Corp
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Filing: 1957-11-12
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Granted: 1964-09-15
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Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 William L Zemberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:28
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN APPARATUS FOR REMOVING DEFECTIVE PORTIONS FROM A BILLET SURFACE COMPRISING DETECTING MEANS ADAPTED TO TRAVERSE A BILLET SURFACE AND PORDUCE ELECTRIC SIGNALS IN RESPONSE TO DEFECTS THEREIN, A MAGNETIC RECORDING SURFACE, RECORDING MEANS OPERTIVELY CONNECTED WITH SAID DETECTING MEANS FOR MAGNETIZING SPOTS ON SAID RECORDING SURFACE IN RESPONSE TO SIGNALS FROM SAID DETECTING MEANS, SCARFING MEANS ADAPTED TO TRAVERSE THE BILLET SURFACE FOR BURING OUT THE DEFECTS, AND TRANSCRIBING MEANS OPERATIVELY CONNECTED WITH SAID SCAFING MEANS AND COOPERABLE WITH SAID RECORDING SURFACE FOR CONTROLLING OPERATION OF THE SCARFING MEANS IN ACCORDANCE WITH MAGNETIZED SPOTS ON SAID RECORDING SURFACE.
Claim 2
Independent Claim
99 words
AN APPARATUS FOR REMOVING DEFECTIVE PORTIONS FROM A BILLET SURFACE COMPRISING DETECTING MEANS ADAPTED TO TRAVERSE A BILLET SURFACE AND PORDUCE ELECTRIC SIGNALS IN RESPONSE TO DEFECTS THEREIN, A MAGNETIC RECORDING SURFACE, RECORDING MEANS OPERTIVELY CONNECTED WITH SAID DETECTING MEANS FOR MAGNETIZING SPOTS ON SAID RECORDING SURFACE IN RESPONSE TO SIGNALS FROM SAID DETECTING MEANS, SCARFING MEANS ADAPTED TO TRAVERSE THE BILLET SURFACE FOR BURING OUT THE DEFECTS, AND TRANSCRIBING MEANS OPERATIVELY CONNECTED WITH SAID SCAFING MEANS AND COOPERABLE WITH SAID RECORDING SURFACE FOR CONTROLLING OPERATION OF THE SCARFING MEANS IN ACCORDANCE WITH MAGNETIZED SPOTS ON SAID RECORDING SURFACE.
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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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |