US2730005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for detecting aerosol particles
Assignee: General Electric Co
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Filing: 1951-10-09
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Granted: 1956-01-10
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Expires: 1971-10-09
Abstract
No abstract record available.
Inventors
- 👤 Vonnegut Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:16
CPC Classifications
G; G06; G06M; G06M11/00; G01; G01N; G01N21/00; G01N21/62; G01N21/71; G01N21/72; G01N15/00; G01N15/10; G01N15/14; G01N2015/1486; G01N2015/1493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A DETECTOR FOR MINUTE PARTICLES SUSPENDED IN A GASEOUS MEDIUM INCLUDING MEANS FOR ENERGIZING AND IMPARTING MOVEMENT TO THE PARTICLES IN A SAMPLE OF THE MEDIUM BEING TESTED TO CAUSE THE SAME TO EMANATE MOMENTARY FLASHES OF LIGHT AND TO MOVE IN A PREDETERMINED DIRECTION, OPTICAL MEANS DISPOSED ADJACENT THE PATH OF MOVEMENT OF SAID PARTICLES FOR EFFECTIVELY INSPECTION THE MOMENTARY FLASHES OF LIGHT THUS OCCURRING WITHIN A PRESELECTED CROSS SECTION OF THE PATH AS THE ENERGIZED PARTICLES PASS THROUGH THE SAME, A LIGHT SENSITIVE DEVICE DISPOSED ADJACENT SAID OPTICAL MEANS AND COOPERATING THEREWITH TO DERIVE AN ELECTRICAL SIGNAL INDICATIVE OF THE CHARACTERISTICS OF THE PARTICLES IN THE MEDIUM, AND A PULSED ELECTRIC SIGNAL RESPONSIVE INDICATING CIRCUIT COUPLED TO SAID LIGHT-SENSITIVE DEVICE FOR DERIVING A COUNT OF ONLY THE INCREASED INTENSITY MOMENTARY LIGHT FLASHES OCCURRING WITHIN THE PRESELECTED AREA.
Claim 2
Dependent Claim
139 words
A DETECTOR FOR MINUTE PARTICLES SUSPENDED IN A GASEOUS MEDIUM INCLUDING MEANS FOR ENERGIZING AND IMPARTING MOVEMENT TO THE PARTICLES IN A SAMPLE OF THE MEDIUM BEING TESTED TO CAUSE THE SAME TO EMANATE MOMENTARY FLASHES OF LIGHT AND TO MOVE IN A PREDETERMINED DIRECTION, OPTICAL MEANS DISPOSED ADJACENT THE PATH OF MOVEMENT OF SAID PARTICLES FOR EFFECTIVELY INSPECTION THE MOMENTARY FLASHES OF LIGHT THUS OCCURRING WITHIN A PRESELECTED CROSS SECTION OF THE PATH AS THE ENERGIZED PARTICLES PASS THROUGH THE SAME, A LIGHT SENSITIVE DEVICE DISPOSED ADJACENT SAID OPTICAL MEANS AND COOPERATING THEREWITH TO DERIVE AN ELECTRICAL SIGNAL INDICATIVE OF THE CHARACTERISTICS OF THE PARTICLES IN THE MEDIUM, AND A PULSED ELECTRIC SIGNAL RESPONSIVE INDICATING CIRCUIT COUPLED TO SAID LIGHT-SENSITIVE DEVICE FOR DERIVING A COUNT OF ONLY THE INCREASED INTENSITY MOMENTARY LIGHT FLASHES OCCURRING WITHIN THE PRESELECTED AREA.
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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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |