US2930899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scanning system
Assignee: International Business Machines Corp
•
Filing: 1957-01-02
•
Granted: 1960-03-29
•
Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 James L Lyon
- 👤 Frederick S Stauffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:29
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2179243A
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US2301199A
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US2228782A
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US2287413A
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US2415190A
Cited
US2578307A
Cited
US2663758A
Cited
US2772479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |