US3440642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatically digitized tape display means
Assignee: Bendix Corp
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Filing: 1964-10-27
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Granted: 1969-04-22
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Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:27
CPC Classifications
H; H03; H03M; H03M1/00; G; G06; G06K; G06K7/00; G06K7/08; G06K7/081; G09; G09G; G09G3/00; G09G3/04; G09G3/045; G11; G11C; G11C17/00; G11C17/005; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1549475A
Cited
US1855569A
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US2294681A
Cited
US2416625A
Cited
US2546694A
Cited
US3044694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |