US3239662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass spectrometer having a concentric cylindrical electrode structure
Assignee: Individual
•
Filing: 1963-09-30
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Granted: 1966-03-08
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Noller Hans Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:51
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/34; H01J49/36; H01J49/38; H01J49/28; H01J49/32; H01J49/328
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A MASS SPECTROMETER APPARATUS COMPRISING A SOLID OUTER CYLINDRICAL ELECTRODE, AN INNER CYLINDRICAL ELECTRODE POSITIONED WITHIN AND CONCENTRIC WITH SAID SOLID OUTER CYLINDRICAL ELECTROD,E MEANS FOR APPLYING A POTENTIAL BETWEEN SAID SOLID OUTER CYLINDRICAL ELECTRODE AND SAID INNER CYLINDRICAL ELECTRODE SO AS TO PRODUCE A CYLINDRICALLY SYMMETRICAL ELECTRIC FIELD THERBETWEEN, MEANS FOR DIRECTING A MAGNETIC FIELD IN THE AREA BETWEEN SAID SOLID OUTER CYLINDRICAL ELECTRODE AND SAID INNER CYLINDRICAL ELECTRODE IN A DIRECTION PARALLEL TO THE CENTER AXIS OF THE CYLINDRICALLY ELECTRIC FIELD, MEANS TO PROVIDE A SUPPLY OF IONS WITHIN SAID SOLID OUTER CYLINDRICAL ELECTRODE, THE CYLINDER SURFACE OF SAID SOLID OUTER CYLINDRICAL ELECTRODE HAVING AN OUTLET APERTURE TO ALLOW IONS OF A GIVEN MASS TO PASS OUT OF SAID SOLID OUTER CYLINDRICAL ELECTRODE, AND ION COLLECTOR MEANS POSITIONED OUTSIDE SAID SOLID OUTER CYLINDRICAL ELECTRODE FOR DETECTING SAID IONS OF A GIVEN MASS.
Claim 2
Dependent Claim
144 words
A MASS SPECTROMETER APPARATUS COMPRISING A SOLID OUTER CYLINDRICAL ELECTRODE, AN INNER CYLINDRICAL ELECTRODE POSITIONED WITHIN AND CONCENTRIC WITH SAID SOLID OUTER CYLINDRICAL ELECTROD,E MEANS FOR APPLYING A POTENTIAL BETWEEN SAID SOLID OUTER CYLINDRICAL ELECTRODE AND SAID INNER CYLINDRICAL ELECTRODE SO AS TO PRODUCE A CYLINDRICALLY SYMMETRICAL ELECTRIC FIELD THERBETWEEN, MEANS FOR DIRECTING A MAGNETIC FIELD IN THE AREA BETWEEN SAID SOLID OUTER CYLINDRICAL ELECTRODE AND SAID INNER CYLINDRICAL ELECTRODE IN A DIRECTION PARALLEL TO THE CENTER AXIS OF THE CYLINDRICALLY ELECTRIC FIELD, MEANS TO PROVIDE A SUPPLY OF IONS WITHIN SAID SOLID OUTER CYLINDRICAL ELECTRODE, THE CYLINDER SURFACE OF SAID SOLID OUTER CYLINDRICAL ELECTRODE HAVING AN OUTLET APERTURE TO ALLOW IONS OF A GIVEN MASS TO PASS OUT OF SAID SOLID OUTER CYLINDRICAL ELECTRODE, AND ION COLLECTOR MEANS POSITIONED OUTSIDE SAID SOLID OUTER CYLINDRICAL ELECTRODE FOR DETECTING SAID IONS OF A GIVEN MASS.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |