US3160759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive fabric inspection system
Assignee: Specialties Inc
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Filing: 1961-08-14
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Granted: 1964-12-08
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 John W Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:11
CPC Classifications
D; D06; D06H; D06H3/00; D06H3/08; G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/8901
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
IN A SYSTEM FOR TESTING FABRIC, A LAMP AND MEANS FOR COLLECTING LIGHT THEREFROM INTO A NARROW ELONGATED PATTERN DIRECTED TOWARD ONE SURFACE OF SAID FABRIC, SAID ELONGATED PATTERN BEING SUBSTANTIALLY PARALLEL WITH THE WEFT THREADS OF SAID FABRIC, MEANS FOR COLLECTING LIGHT PASSED THROUGH INTERSTICES OF SAID FABRIC AND FOR SPREADING SAID LIGHT, LIGHT SENSITIVE MEANS FOR RECEIVING THE SPREAD LIGHT DIRECTED AWAY FROM THE OPPOSITE SURFACE OF SAID FABRIC, AND ELECTRICAL MEANS CONNECTED WITH SAID LIGHT SENSITIVE MEANS FOR PRODUCING RESPONSES INDICATIVE OF FLAWS IN SAID FABRIC, SAID LIGHT COLLECTING AND LIGHT SPREADING MEANS EACH COMPRISING A COMBINATION SPHERICALLY CURVED LENS AND CYLINDRICAL LENS HAVING ITS AXIS AT RIGHT ANGLES TO THE AXIS OF SAID SPHERICALLY CURVED LENS.
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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |