Patent US2752501A successfully refreshed from Google Patents.
US2752501A
Expired / Lapsed
US
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Method and apparatus for mass separation
Assignee: Consolidated Electrodynamics Corp
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Filing: 1952-03-21
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Granted: 1956-06-26
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Expires: 1972-03-21
Abstract
No abstract record available.
Inventors
- 👤 Charles F Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:42
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/02; H01J49/10; H01J49/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN ION SOURCE FOR A MASS SPECTROMETER COMPRISING AN IONIZING CHAMBER HAVING AN ION OUTLET APERTURE, MEANS FOR ESTABLISHING A UNIFORM ELECTICAL FIELD ACROSS THE CHAMBER, MEANS FOR ESTABLISHING A MAGNETIC FIELD ACROSS THE CHAMBER NORMAL TO THE ELECTRIC FIELD, MEANS FOR IONIZING A SAMPLE TO BE ANALYSED IN A PLANE SPACED FROM THE APERTURE AND NORMAL TO THE ELECTRIC FIELD WHEREBY IONS ARE
Claim 2
Dependent Claim
64 words
AN ION SOURCE FOR A MASS SPECTROMETER COMPRISING AN IONIZING CHAMBER HAVING AN ION OUTLET APERTURE, MEANS FOR ESTABLISHING A UNIFORM ELECTICAL FIELD ACROSS THE CHAMBER, MEANS FOR ESTABLISHING A MAGNETIC FIELD ACROSS THE CHAMBER NORMAL TO THE ELECTRIC FIELD, MEANS FOR IONIZING A SAMPLE TO BE ANALYSED IN A PLANE SPACED FROM THE APERTURE AND NORMAL TO THE ELECTRIC FIELD WHEREBY IONS ARE
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) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |