Patent US3142832A successfully refreshed from Google Patents.
US3142832A
Expired / Lapsed
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Monitoring and detection systems for spun filaments
Assignee: Monsanto Co
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Filing: 1961-10-26
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Granted: 1964-07-28
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Expires: 1981-10-26
Abstract
No abstract record available.
Inventors
- 👤 Horne Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:54
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; D01D1/09; B; B65; B65H; B65H63/00; B65H63/06; B65H63/062; B65H63/065; G; G01; G01N; G01N33/00; G01N33/36; G01N33/365; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/313; B65H2701/3132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A SYSTEM FOR DETECTING A DECREASE IN DENIER OF SPUN FILAMENTS, COMPRISING A BASE MEANS ON THE BASE FOR DIRECTING A STREAM OF FLUID AGAINST A PLURALITY OF SPUN FILAMENTS TO URGE SAID FILAMENTS OUT OF A STRAIGHT PATH, A LIGHT-RESPONSIVE RESISTOR POSITIONED AT ONE SIDE OF SAID STRAIGHT PATH, A LIGHT SOURCE POSITIONED ON THE OTHER SIDE OF SAID PATH FOR DIRECTING A BEAM OF LIGHT THROUGH SAID PATH TO THE LIGHT-RESPONSIVE RESISTOR, A RESISTANCE CONNECTED IN PARALLEL WITH THE LIGHT-RESPONSIVE RESISTOR, A POWER SUPPLY CONNECTED ACROSS THE RESISTANCE AND THE LIGHT-RESPONSIVE RESISTOR, A JUNCTION, A CAPACITOR CONNECTED BETWEEN THE JUNCTION AND ONE SIDE OF SAID RESISTOR, SAID RESISTANCE BEING CONNECTED BETWEEN THE JUNCTION AND THE OTHER SIDE OF THE LIGHT-RESPONSIVE RESISTOR, A SILICON CONTROLLED RECTIFIER HAIVNG ITS GATE CONNECTED TO SAID JUNCTION, AND MEANS CONNECTED TO THE SILICON CONTROLLED RECTIFER FOR INDICATING AS OUT-OF-LIMITS CONDITION.
Claim 2
Independent Claim
147 words
A SYSTEM FOR DETECTING A DECREASE IN DENIER OF SPUN FILAMENTS, COMPRISING A BASE MEANS ON THE BASE FOR DIRECTING A STREAM OF FLUID AGAINST A PLURALITY OF SPUN FILAMENTS TO URGE SAID FILAMENTS OUT OF A STRAIGHT PATH, A LIGHT-RESPONSIVE RESISTOR POSITIONED AT ONE SIDE OF SAID STRAIGHT PATH, A LIGHT SOURCE POSITIONED ON THE OTHER SIDE OF SAID PATH FOR DIRECTING A BEAM OF LIGHT THROUGH SAID PATH TO THE LIGHT-RESPONSIVE RESISTOR, A RESISTANCE CONNECTED IN PARALLEL WITH THE LIGHT-RESPONSIVE RESISTOR, A POWER SUPPLY CONNECTED ACROSS THE RESISTANCE AND THE LIGHT-RESPONSIVE RESISTOR, A JUNCTION, A CAPACITOR CONNECTED BETWEEN THE JUNCTION AND ONE SIDE OF SAID RESISTOR, SAID RESISTANCE BEING CONNECTED BETWEEN THE JUNCTION AND THE OTHER SIDE OF THE LIGHT-RESPONSIVE RESISTOR, A SILICON CONTROLLED RECTIFIER HAIVNG ITS GATE CONNECTED TO SAID JUNCTION, AND MEANS CONNECTED TO THE SILICON CONTROLLED RECTIFER FOR INDICATING AS OUT-OF-LIMITS CONDITION.
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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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |