Patent US2749533A successfully refreshed from Google Patents.
US2749533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequence discriminator system for locating information
Assignee: Unisys Corp
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Filing: 1950-05-23
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Granted: 1956-06-05
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Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Howard L Dauiels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:11
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/12; G11B7/14; G06; G06V; G06V40/00; G06V40/10; G06V40/12; G06V40/1347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2266779A
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US2295000A
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US2272366A
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US2255162A
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US2337553A
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US2497936A
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US2540654A
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US2482242A
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US2594358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |