US3140416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous discharge device
Assignee: Varian Medical Systems Inc
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Filing: 1962-05-04
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Granted: 1964-07-07
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Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Harold A Sleeper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:30
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A GASEOUS DISCHARGE DEVICE COMPRISING A HERMETICALLY SEALED ENVELOPE CONTAINING AN IONIZABLE ATMOSPHERE, AND A QUANTITY OF BORON TRIGLUORIDE GAS CONTAINED WITHIN SAID ENVELOPE TO PROVIDE MEANS FOR DECREASING THE DEIONIZATION TIME OF THE GAGEOUS DISCHARGE DEVICE DURING OPERATION THEREOF.
Claim 2
Dependent Claim
40 words
A GASEOUS DISCHARGE DEVICE COMPRISING A HERMETICALLY SEALED ENVELOPE CONTAINING AN IONIZABLE ATMOSPHERE, AND A QUANTITY OF BORON TRIGLUORIDE GAS CONTAINED WITHIN SAID ENVELOPE TO PROVIDE MEANS FOR DECREASING THE DEIONIZATION TIME OF THE GAGEOUS DISCHARGE DEVICE DURING OPERATION THEREOF.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |