US3410643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting and recording the locations of defects in sheet material in two dimensions
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1962-04-10
•
Granted: 1968-11-12
•
Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Jorgensen Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:38
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/02; C03B33/023; C03B33/037; B; B26; B26D; B26D5/00; B26D5/20; B26D5/30; B26D5/36; G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/8901; G01N21/892; G01N21/896; G01N29/00; G01N29/04; G01N29/06; G01N29/0609; G01N29/0618; G01N29/0636; Y; Y02; Y02P; Y02P40/00; Y02P40/50; Y02P40/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR DETECTING AND RECORDING IN CARTESIAN COORDINATES THE LOCATIONS OF IMPERFECTIONS IN A RIBBON OF GLASS MOVING IN THE DIRECTION OF ITS LENGTH, COMPRISING, FIXED LIGHT-PROJECTING MEANS FOR ILLUMINATING WITH UNIFORM INTENSITY, AN AREA OF ONE FACE OF THE RIBBON, OF LIMITED AND UNIFORM DIMENSION IN THE DIRECTION OF LENGTH THEREOF AND EXTENDING FROM EDGE TO EDGE THEREOF, MEAN FOR MOVING A MAGNETIZABLE TAPE ALONG A PATH AND IN SYNCHRONISM WITH MOVEMENT OF THE RIBBON, A PLURALITY OF INSCRIPTION HEADS SPACED IN A ROW TRANSVERSELY OF AND ADJACENT SAID PATH, A PHOTOELECTRIC CELL, LIGHT-REFLECTOR MEANS, MEANS MOUNTING SAID LIGHT-REFLECTOR MEANS FOR OSCILLATION TO REFLECT SEQUENTIALLY TO SAID CELL, LIGHT FROM SAID LIGHT-PROJECTING MEANS TRAVERSING SAID RIBBON AT SUCCESSIVE INCREMENTS OF AREA OF THE ILLUMINATED AREA THEREOF, AND MEANS OPERATED IN SYNCHRONISM WITH OSCILLATION OF SAID LIGHT-REFLECTOR MEANS, TO ELECTRICALLY CONNECT EACH SAID INSCRIPTION HEAD IN SUCCESSION, WITH SAID CELL.
Claim 2
Dependent Claim
150 words
APPARATUS FOR DETECTING AND RECORDING IN CARTESIAN COORDINATES THE LOCATIONS OF IMPERFECTIONS IN A RIBBON OF GLASS MOVING IN THE DIRECTION OF ITS LENGTH, COMPRISING, FIXED LIGHT-PROJECTING MEANS FOR ILLUMINATING WITH UNIFORM INTENSITY, AN AREA OF ONE FACE OF THE RIBBON, OF LIMITED AND UNIFORM DIMENSION IN THE DIRECTION OF LENGTH THEREOF AND EXTENDING FROM EDGE TO EDGE THEREOF, MEAN FOR MOVING A MAGNETIZABLE TAPE ALONG A PATH AND IN SYNCHRONISM WITH MOVEMENT OF THE RIBBON, A PLURALITY OF INSCRIPTION HEADS SPACED IN A ROW TRANSVERSELY OF AND ADJACENT SAID PATH, A PHOTOELECTRIC CELL, LIGHT-REFLECTOR MEANS, MEANS MOUNTING SAID LIGHT-REFLECTOR MEANS FOR OSCILLATION TO REFLECT SEQUENTIALLY TO SAID CELL, LIGHT FROM SAID LIGHT-PROJECTING MEANS TRAVERSING SAID RIBBON AT SUCCESSIVE INCREMENTS OF AREA OF THE ILLUMINATED AREA THEREOF, AND MEANS OPERATED IN SYNCHRONISM WITH OSCILLATION OF SAID LIGHT-REFLECTOR MEANS, TO ELECTRICALLY CONNECT EACH SAID INSCRIPTION HEAD IN SUCCESSION, WITH SAID CELL.
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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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |