Patent US3753024A successfully refreshed from Google Patents.
US3753024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glow lamp with nickel-plated electrodes
Assignee: General Electric Co
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Filing: 1972-03-20
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Granted: 1973-08-14
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Expires: 1992-03-20
Abstract
Abstract A glow discharge device is provided with nickel-plated steel electrodes. The nickel plating thickness and steel composition vary within certain limits.
Inventors
- 👤 E Vicai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:49
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A glow discharge device as claimed in claim 1 wherein said nickel thickness varies between 0.00007 and 0.00009 inch.
Claim 2
Dependent Claim
28 words
A glow discharge device as claimed in claim 1 wherein the carbon content of the steel is in the range of 0.000 percent to 0.015 percent by weight.
References Cited (Backward Citations)
US1803985A
Cited
US3238408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |