US3482133A
Expired / Lapsed
US
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Cold cathode,glow discharge devices
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1967-10-23
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Granted: 1969-12-02
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Ronald Arthur Dugdale
- 👤 Stanley Denis Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/08; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; H01J27/00; H01J27/02; H01J37/06; H01J37/077; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0066
Claims Analysis
Total Claims: 0
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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) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |