US3345835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retro-reflective stop motion system
Assignee: Appalachian Electronic Instruments Inc
•
Filing: 1964-12-11
•
Granted: 1967-10-10
•
Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Nickell Lawrence Creigh
- 👤 Fertig Raymond Baines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:36
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/89; G01N21/8901; D; D03; D03J; D03J1/00; D04; D04B; D04B35/00; D04B35/10; D04B35/20; D06; D06H; D06H3/00; D06H3/08; D03J2700/00; D03J2700/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
FABRIC FLAW DETECTING APPARATUS FOR DETECTING HOLES AND LIKE SELECTED APERTURE CONDITIONS IN KNIT FRABRIC WHILE THE FABRIC IS MOVING RELATIVE TO A FABRIC HANDLING MACHINE AND PRODUCING DEFECT SIGNALS UPON OCCURRENCE OF SUCH APERTURE DEFECTS COMPRISING A DETECTOR HEAD INCLUDING A SUBSTANTIALLY POINT SOURCE OF LIGHT, OPTICAL LENS MEANS FOR CONCURRENTLY DIRECTING LIGHT RAYS FROM SAID SOURCE ALONG A PLURALITY OF SELECTED DIVERSE INCIDENT RAY PATHS TO COLLECTIVELY AND SIMULTANEOUSLY FORM AN ELONGATED IMAGE OF LIGHT AT THE FABRIC TO BE INSPECTED, RETRO-REFLECTIVE MEANS DISPOSED ON THE OPPOSITE SIDE OF SAID FABRIC FROM SAID DETECTOR HEAD POSITIONED TO RECEIVE LIGHT FROM SAID SOURCE
Claim 2
Dependent Claim
104 words
FABRIC FLAW DETECTING APPARATUS FOR DETECTING HOLES AND LIKE SELECTED APERTURE CONDITIONS IN KNIT FRABRIC WHILE THE FABRIC IS MOVING RELATIVE TO A FABRIC HANDLING MACHINE AND PRODUCING DEFECT SIGNALS UPON OCCURRENCE OF SUCH APERTURE DEFECTS COMPRISING A DETECTOR HEAD INCLUDING A SUBSTANTIALLY POINT SOURCE OF LIGHT, OPTICAL LENS MEANS FOR CONCURRENTLY DIRECTING LIGHT RAYS FROM SAID SOURCE ALONG A PLURALITY OF SELECTED DIVERSE INCIDENT RAY PATHS TO COLLECTIVELY AND SIMULTANEOUSLY FORM AN ELONGATED IMAGE OF LIGHT AT THE FABRIC TO BE INSPECTED, RETRO-REFLECTIVE MEANS DISPOSED ON THE OPPOSITE SIDE OF SAID FABRIC FROM SAID DETECTOR HEAD POSITIONED TO RECEIVE LIGHT FROM SAID SOURCE
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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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |