Patent US3206449A successfully refreshed from Google Patents.
US3206449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection and measurement of organic vapors and gases
Assignee: General Electric Co
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Filing: 1960-09-30
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Granted: 1965-09-14
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Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank W Van Luik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:44
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/06; G01N15/065
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
IN THE PROCESS OF CURING A POLYMERIC MATERIAL HAVING AN ORGANIC SOLVENT THEREIN, THE CURING BEING ACCOMPANIED BY THE RELEASE OF THE ORGANIC SOLVENT IN VAPOR FORM UNTIL THE CURE IS COMPLETE WHEREUPON THE RELEASE OF SOLVENT VAPORS CEASES, THE STEPS COMPRISING PASSING A FLOW OF AIR OVER THE MATERIAL DURING THE CURING CYCLE, MIXING THE AIR AND SOLVENT VAPOR RELEASED FROM THE POLYMERIC MATERIAL WITH MERCURY VAPOR, EXPOSING THE COMBINED AIR AND MERCURY VAPOR TO ULTRAVIOLET RADIATION, AND MEASURING THE CONCENTRATION OF AIRBORNE MERCURY PARTICLES IN THE RESULTANT MIXTURE WHEREBY COMPLETION OF THE CURING CYCLE AND CESSATION OF RELEASE OF SOLVENT VAPOR IS INDICATED BY AN INCREASE IN THE NUMBER OF AIRBORNE PARTICLES.
References Cited (Backward Citations)
US1844421A
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US2951827A
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US2774652A
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US2755388A
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US2897059A
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US2876357A
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US3102192A
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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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |