US3302786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inspecting glass containers with lasers
Assignee: OI Glass Inc
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Filing: 1964-09-29
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Granted: 1967-02-07
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Conrad Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9045; G01N21/9054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF INSPECTING GLASS CONTAINERS FOR DEFECTS SUCH AS CHECKS AND THE LIKE WHICH COMPRISES DIRECTING A LASER BEAM INTO THE WALL OF THE CONTAINER IN SUCH A MANNER THAT A SUBSTANTIAL PORTION OF THE WALL OF THE CONTAINER IS ILLUMINATED BY REFLECTION OF THE LASER BEAM INTERNALLY WITHIN THE WALL OF THE CONTAINER, CAUSING A DEFECT TO REDIRECT A PORTION OF THE LASER BEAM OUT OF THE WALL OF THE CONTAINER, CREATING A SIGNAL IN RESPONSE TO SAID REDIRECTED PORTION OF THE BEAM, AND REJECTING THE CONTAINER IN RESPONSE TO SAID SIGNAL.
Claim 2
Independent Claim
94 words
THE METHOD OF INSPECTING GLASS CONTAINERS FOR DEFECTS SUCH AS CHECKS AND THE LIKE WHICH COMPRISES DIRECTING A LASER BEAM INTO THE WALL OF THE CONTAINER IN SUCH A MANNER THAT A SUBSTANTIAL PORTION OF THE WALL OF THE CONTAINER IS ILLUMINATED BY REFLECTION OF THE LASER BEAM INTERNALLY WITHIN THE WALL OF THE CONTAINER, CAUSING A DEFECT TO REDIRECT A PORTION OF THE LASER BEAM OUT OF THE WALL OF THE CONTAINER, CREATING A SIGNAL IN RESPONSE TO SAID REDIRECTED PORTION OF THE BEAM, AND REJECTING THE CONTAINER IN RESPONSE TO SAID SIGNAL.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |