US3311233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for glass inspection and sorting having contour sensing means
Assignee: Libbey Owens Ford Glass Co
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Filing: 1964-08-19
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Granted: 1967-03-28
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 William L Helmbrecht
- 👤 Robert H Welker
- 👤 Arthur E Krieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; B; B07; B07C; B07C5/00; B07C5/04; B07C5/08; C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; G01B7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN AN APPARATUS FOR INSPECTING SHEETS, A PAIR OF ALIGNED CHECKING MEMBERS HAVING FACING SURFACES COMPLEMENTARY TO THE SURFACE CONTOURS DESIRED ON OPPOSITE SIDES OF A SHEET TO BE INSPECTED, MEANS FOR LOCATING SAID SHEET BETWEEN SAID SURFACES, MEANS FOR CREATING RELATIVE MOVEMENT BETWEEN SAID MEMBERS AND TO RESILIENTLY URGE ONE OF SAID FACING SURFACES TOWARD THE OTHER, AND MEANS ACTUATED WHEN SAID MOVEMENT IS LESS THAN A PREDETERMINED DISTANCE TO INDICATE A LACK OF CONFORMITY BETWEEN A SURFACE OF SAID SHEET AND THE COMPLEMENTARY FACING SURFACE ON ONE OF SAID MEMBERS, SAID INDICATION INCLUDING THE APPLICATION OF A SELECTED COLOR TO AN AREA OF SAID SHEET.
Claim 2
Dependent Claim
107 words
IN AN APPARATUS FOR INSPECTING SHEETS, A PAIR OF ALIGNED CHECKING MEMBERS HAVING FACING SURFACES COMPLEMENTARY TO THE SURFACE CONTOURS DESIRED ON OPPOSITE SIDES OF A SHEET TO BE INSPECTED, MEANS FOR LOCATING SAID SHEET BETWEEN SAID SURFACES, MEANS FOR CREATING RELATIVE MOVEMENT BETWEEN SAID MEMBERS AND TO RESILIENTLY URGE ONE OF SAID FACING SURFACES TOWARD THE OTHER, AND MEANS ACTUATED WHEN SAID MOVEMENT IS LESS THAN A PREDETERMINED DISTANCE TO INDICATE A LACK OF CONFORMITY BETWEEN A SURFACE OF SAID SHEET AND THE COMPLEMENTARY FACING SURFACE ON ONE OF SAID MEMBERS, SAID INDICATION INCLUDING THE APPLICATION OF A SELECTED COLOR TO AN AREA OF SAID SHEET.
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |