Patent US2484084A successfully refreshed from Google Patents.
US2484084A
Expired / Lapsed
US
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Gaseous tube and circuit
Assignee: International Business Machines Corp
•
Filing: 1945-11-27
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Granted: 1949-10-11
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Expires: 1965-11-27
Abstract
No abstract record available.
Inventors
- 👤 Clyde J Fitch
- 👤 Robert N Eichorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:00
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/50; H01J17/52; H01J17/54; H01J17/56; H03; H03K; H03K17/00; H03K17/51; H03K17/52; H04; H04J; H04J3/00; H04J3/18; H04L; H04L13/00; H04L13/02; H04L13/10; H04L13/12; H04L13/14; H04L25/00; H04L25/38; H04L25/40; H04L25/45; H04L5/00; H04L5/22; H04L5/24; H04L5/245; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/39
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1746670A
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US1731687A
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US2060506A
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US2099065A
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US2134577A
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US2188159A
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US2210574A
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US2272070A
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US2332977A
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US2329792A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |