US2944217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal translating apparatus
Assignee: International Business Machines Corp
•
Filing: 1955-11-30
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Granted: 1960-07-05
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Expires: 1975-11-30
Abstract
No abstract record available.
Inventors
- 👤 Evon C Greanias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:56
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/02; G; G06; G06V; G06V30/00; G06V30/10; G06V30/16; G06V30/162; H03G11/04; H04; H04N; H04N1/00; H04N1/40; H04N1/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2469860A
Cited
US2495826A
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US2709716A
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US2640965A
Cited
US2497693A
Cited
US2711494A
Cited
US2675473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |