US2970303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neon lamp indicator device
Assignee: Unisys Corp
•
Filing: 1955-03-04
•
Granted: 1961-01-31
•
Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert J Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:08
CPC Classifications
H; H03; H03J; H03J3/00; H03J3/02; H03J3/12; H03J3/14; G; G06; G06F; G06F11/00; G06F11/30; G06F11/32; G06F11/324; G06F11/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2479964A
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US2654042A
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US2679617A
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US2795724A
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US2825000A
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US2842313A
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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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |