US3370175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toxicant detector
Assignee: Boeing North American Inc
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Filing: 1965-01-28
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Granted: 1968-02-20
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Expires: 1985-01-28
Abstract
No abstract record available.
Inventors
- 👤 Albert L Jordon
- 👤 Edwin R Schnauss
- 👤 Edward H Sie
- 👤 Thanos Andrew
- 👤 Jr Earl V Wagoner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:28
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/75; G01N21/76; G01N21/763; C; C12; C12Q; C12Q1/00; C12Q1/02; C12Q1/18; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0027; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/824; Y10S435/911; Y10T; Y10T436/00; Y10T436/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A MEHTOD OF MONITORING AIR FOR THE PRESENCE OF TOXICANT COMPRISING: PASSING AIR SUSPECTED OF CONTAINNG A TOXICANT DISTRIBUTED THEREIN OVER THE SURFACE OF A CULTURE OF AEROBIC LUMINOUS MICRO-ORGANISMISM; AND SENSING THE RELATION OF LUMINOUS LIGHT OUTPUT FROM SAID CULTUE AFTER EXPOSURE TO THE AIR TO LUMINOUS LIGHT OUTPUT FROM SAID CULTURE BEFORE EXPOSURE TO THE AIR.
Claim 2
Dependent Claim
58 words
A MEHTOD OF MONITORING AIR FOR THE PRESENCE OF TOXICANT COMPRISING: PASSING AIR SUSPECTED OF CONTAINNG A TOXICANT DISTRIBUTED THEREIN OVER THE SURFACE OF A CULTURE OF AEROBIC LUMINOUS MICRO-ORGANISMISM; AND SENSING THE RELATION OF LUMINOUS LIGHT OUTPUT FROM SAID CULTUE AFTER EXPOSURE TO THE AIR TO LUMINOUS LIGHT OUTPUT FROM SAID CULTURE BEFORE EXPOSURE TO THE AIR.
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |