US3174046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photodynamic monitor for inspecting spun yarns
Assignee: Lindly and Co Inc
•
Filing: 1961-09-05
•
Granted: 1965-03-16
•
Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Howard C Lindemann
- 👤 Mindheim Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:47
CPC Classifications
D; D03; D03D; D03D51/00; D03D51/18; D03D51/20; D03D51/28; B; B65; B65H; B65H63/00; B65H63/06; B65H63/062; B65H63/065; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
PHOTODYNAMIC MONITOR APPARATUS FOR PHOTOELECTRICALLY INSPECTING A MOVING SHEET OF SPUN YARNS, THE APPARATUS HAVING A WORKING ZONE, IN WHICH SAID SHEET MATERIAL IS DISPOSED AND THROUGH WHICH IT MOVES, IN COMBINATION, A SUPPORT, A SOURCE OF LUMINOUS FLUX MOUNTED ON SAID SUPPORT, MEANS RECEPTIVE OF SAID LUMINOUS FLUX INCLUDING OPTICAL MEANS FOR DIRECTIONG TWO SUBSTANTIALLY PARALLEL BEAMS OF LUMINOUS FLUX ACROSS SAID ZONE TRANSVERSELY ACROSS SAID SHEET IN PROXIMITY TO OPPOSITE FACES OF SAID SHEET MATERIAL AND SUBSTANTIALLY PARALLEL TO SAID OPPOSITE FACES AND ALONG PATHS SUBSTANTIALLY IN A COMMON PLANE, MEANS DISPOSED TO RECEIVE THE TOTAL LUMINIOUS FLUX OF BOTH SAID BEAMS IN SAID ZONE COMPRISING A LIGHT-SENSITIVE DEVICE RESPONSIVE TO LUMINOUS FLUX VARIATIONS OF SAID TOTAL FLUX FOR GENERATING AN ELECTRICAL SIGNAL IN RESPONSE TO ANY DIMINUTION IN THE AMOUNT OF THE LUMINUOUS FLUX OF BOTH
Claim 2
Dependent Claim
139 words
PHOTODYNAMIC MONITOR APPARATUS FOR PHOTOELECTRICALLY INSPECTING A MOVING SHEET OF SPUN YARNS, THE APPARATUS HAVING A WORKING ZONE, IN WHICH SAID SHEET MATERIAL IS DISPOSED AND THROUGH WHICH IT MOVES, IN COMBINATION, A SUPPORT, A SOURCE OF LUMINOUS FLUX MOUNTED ON SAID SUPPORT, MEANS RECEPTIVE OF SAID LUMINOUS FLUX INCLUDING OPTICAL MEANS FOR DIRECTIONG TWO SUBSTANTIALLY PARALLEL BEAMS OF LUMINOUS FLUX ACROSS SAID ZONE TRANSVERSELY ACROSS SAID SHEET IN PROXIMITY TO OPPOSITE FACES OF SAID SHEET MATERIAL AND SUBSTANTIALLY PARALLEL TO SAID OPPOSITE FACES AND ALONG PATHS SUBSTANTIALLY IN A COMMON PLANE, MEANS DISPOSED TO RECEIVE THE TOTAL LUMINIOUS FLUX OF BOTH SAID BEAMS IN SAID ZONE COMPRISING A LIGHT-SENSITIVE DEVICE RESPONSIVE TO LUMINOUS FLUX VARIATIONS OF SAID TOTAL FLUX FOR GENERATING AN ELECTRICAL SIGNAL IN RESPONSE TO ANY DIMINUTION IN THE AMOUNT OF THE LUMINUOUS FLUX OF BOTH
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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |