US3107044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold-cathode discharge ion pump
Assignee: Consolidated Vacuum Corp
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Filing: 1959-05-25
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Granted: 1963-10-15
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 Wilson M Brubaker
- 👤 Frederick P Pickett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:22
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/12; H01J41/18; H01J41/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
AN IMPROVED ION PUMP OF THE COLD-CATHODE DISCHARGE TYPE COMPRISING AN EVACUATED ENVELOPE, A CELLULAR ANODE CONTAINED WITHIN THE ENVELOPE, A SOURCE OF REPLACEMENT MATERIAL CONTAINED WITHIN THE ENVELOPE, A CATHODE CONTAINED WITHIN THE ENVELOPE, THE ANODE AND THE REPLACEMENT MATERIAL SOURCE BEING FIXED IN PHYSICAL RELATION SO THAT A FIRST PORTION OF THE CATHODE IS INITIALLY ADJACENT THE ANODE AND A SECOND PORTION OF THE CATHODE IS INITIALLY ADJACENT THE REPLACEMENT MATERIAL SOURCE, MEANS FOR CAUSING THE RELATIVE MOVEMENT OF THE CATHODE WITH RESPECT TO THE ANODE AND REPLACEMENT MATERIAL SOURCE SO THAT SAID FIRST CATHODE PORTION IS PERIODICALLY ADJACENT THE REPLACEMENT MATERIAL SOURCE AND SAID SECOND CATHODE PORTION IS PERIODICALLY ADJACENT THE ANODE, AND MEANS OPERABLE WHEN ENERGIZED TO EVAPORATE MATERIAL FROM THE REPLACEMENT MATERIAL SOURCE, WHEREBY THE EVAPORATED REPLACEMENT MATERIAL IS DEPOSITED UPON THE SURFACE OF SAID FIRST PORTION AND SAID SECOND PORTION OF THE CATHODE WHEN THAT PORTION OF THE CATHODE IS ADJACENT THE REPLACEMENT MATERIAL SOURCE.
Claim 2
Dependent Claim
161 words
AN IMPROVED ION PUMP OF THE COLD-CATHODE DISCHARGE TYPE COMPRISING AN EVACUATED ENVELOPE, A CELLULAR ANODE CONTAINED WITHIN THE ENVELOPE, A SOURCE OF REPLACEMENT MATERIAL CONTAINED WITHIN THE ENVELOPE, A CATHODE CONTAINED WITHIN THE ENVELOPE, THE ANODE AND THE REPLACEMENT MATERIAL SOURCE BEING FIXED IN PHYSICAL RELATION SO THAT A FIRST PORTION OF THE CATHODE IS INITIALLY ADJACENT THE ANODE AND A SECOND PORTION OF THE CATHODE IS INITIALLY ADJACENT THE REPLACEMENT MATERIAL SOURCE, MEANS FOR CAUSING THE RELATIVE MOVEMENT OF THE CATHODE WITH RESPECT TO THE ANODE AND REPLACEMENT MATERIAL SOURCE SO THAT SAID FIRST CATHODE PORTION IS PERIODICALLY ADJACENT THE REPLACEMENT MATERIAL SOURCE AND SAID SECOND CATHODE PORTION IS PERIODICALLY ADJACENT THE ANODE, AND MEANS OPERABLE WHEN ENERGIZED TO EVAPORATE MATERIAL FROM THE REPLACEMENT MATERIAL SOURCE, WHEREBY THE EVAPORATED REPLACEMENT MATERIAL IS DEPOSITED UPON THE SURFACE OF SAID FIRST PORTION AND SAID SECOND PORTION OF THE CATHODE WHEN THAT PORTION OF THE CATHODE IS ADJACENT THE REPLACEMENT MATERIAL SOURCE.
References Cited (Backward Citations)
US2893624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |