Patent US2228332A successfully refreshed from Google Patents.
US2932006A
Expired / Lapsed
US
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Symbol recognition system
Assignee: Laboratory For Electronics Inc
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Filing: 1955-07-21
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Granted: 1960-04-05
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Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Glauberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:12
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/20; G06V10/24; G06V10/40; G06V10/42; G06V10/421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2615992A
Cited
US2616983A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |