US2736017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display indicator and control system
Assignee: —
•
Filing: —
•
Granted: 1956-02-21
•
Expires: 1973-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:54
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/24; G09F11/26; G09F11/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE448935C
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US2273776A
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US2279009A
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US2397604A
Cited
US2441557A
Cited
US2520142A
Cited
US2471126A
Cited
US2476673A
Cited
US2630552A
Cited
US2676289A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-20 | 1959-08-22 | 1960-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-20 | 1963-08-22 | 1964-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-20 | 1967-08-22 | 1968-02-21 | $7700.00 | Window Closed / Lapsed |