US2961649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic reading system
Assignee: Individual
•
Filing: 1956-03-09
•
Granted: 1960-11-22
•
Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Eldredge
- 👤 Mendole D Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:34
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2646465A
Cited
US2198248A
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US2427383A
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US2369662A
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US2406813A
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US2380666A
Cited
US2552156A
Cited
US2517102A
Cited
US2457149A
Cited
US2487511A
Cited
US2739298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |