US3290482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating structures for chromatographic columns
Assignee: Cameron Solutions Inc
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Filing: 1964-10-12
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Granted: 1966-12-06
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Travis C Dodd
- 👤 John B Rosso
- 👤 Charles R Ferrin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:20
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/26; G01N30/28; G01N30/30; G01N2030/3084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A SYSTEM FOR HEATING A METALLIC CHROMATOGRAPHIC COLUMN, INCLUDING, A SOURCE OF ELECTRICAL POWER, A METALLIC CHROMATOGRAPHIC COLUMN ARRANGED IN THE FORM OF A COIL, AN ELECTRICAL RESISTANCE MOUNTED WITHIN THE REACHES OF THE COILED COLUMN, A METALLIC CHROMATOGRAPHIC COLUMN ARRANGED IN THE FORM OF A COIL,
Claim 2
Independent Claim
47 words
A SYSTEM FOR HEATING A METALLIC CHROMATOGRAPHIC COLUMN, INCLUDING, A SOURCE OF ELECTRICAL POWER, A METALLIC CHROMATOGRAPHIC COLUMN ARRANGED IN THE FORM OF A COIL, AN ELECTRICAL RESISTANCE MOUNTED WITHIN THE REACHES OF THE COILED COLUMN, A METALLIC CHROMATOGRAPHIC COLUMN ARRANGED IN THE FORM OF A COIL,
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |