US2735943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic vapor control
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
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Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/28; H01J49/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ION GENERATOR COMPRISING A SOURCE OF VAPOR, AN IONIZATION CHAMBER COMMUNICATING WITH SAID SOURCE OF VAPOR, MEANS FOR ESTABLISHING AN ELECTRIC ARC DISCHARGE THROUGH SAID IONIZATION CHAMBER IN ORDER TO IONIZE THE VAPOR CONTAINED THEREIN, MEANS TO EXPEL IONS FROM SAID IONIZATION CHAMBER, MEANS INCLUDING A VALVE FOR CONTROLLING THE FLOW OF VAPOR FROM SAID SOURCE OF VAPOR INTO SAID IONIZATION CHAMBER, AND MEANS RESPONSIVE TO THE AMOUNT OF IONS EXPELLED FROM SAID IONIZATION CHAMBER FOR ADJUSTING SAID VALVE IN ORDER TO REGULATE THE FLOW OF VAPOR INTO SAID IONIZATION CHAMBER.
Claim 2
Dependent Claim
92 words
AN ION GENERATOR COMPRISING A SOURCE OF VAPOR, AN IONIZATION CHAMBER COMMUNICATING WITH SAID SOURCE OF VAPOR, MEANS FOR ESTABLISHING AN ELECTRIC ARC DISCHARGE THROUGH SAID IONIZATION CHAMBER IN ORDER TO IONIZE THE VAPOR CONTAINED THEREIN, MEANS TO EXPEL IONS FROM SAID IONIZATION CHAMBER, MEANS INCLUDING A VALVE FOR CONTROLLING THE FLOW OF VAPOR FROM SAID SOURCE OF VAPOR INTO SAID IONIZATION CHAMBER, AND MEANS RESPONSIVE TO THE AMOUNT OF IONS EXPELLED FROM SAID IONIZATION CHAMBER FOR ADJUSTING SAID VALVE IN ORDER TO REGULATE THE FLOW OF VAPOR INTO SAID IONIZATION CHAMBER.
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) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |