Patent US3608276A successfully refreshed from Google Patents.
US3608276A
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Gas chromatography collector
Assignee: Temple University
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Filing: 1968-12-24
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Granted: 1971-09-28
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Expires: 1988-12-24
Abstract
Abstract AN APPARATUS IS PROVIDED FOR COLLECTING SMALL SAMPLES FROM GASES BYCHROMATOGRAPHIC TECHNIQUES BY PRECIPITATING THE DESIRED SAMPLE FROM A GAS CONTAINING THE DESIRED SAMPLE.
Inventors
- 👤 James L Bloomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:07
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |