Patent US3506837A successfully refreshed from Google Patents.
US3506837A
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Pattern-detecting device using series connected photosensitive bodies
Assignee: Hitachi Ltd
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Filing: 1966-12-13
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Granted: 1970-04-14
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Expires: 1986-12-13
Abstract
No abstract record available.
Inventors
- 👤 Hideyasu Majima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
G; G06; G06V; G06V10/00; G06V10/10; G06V10/12; G06V10/20; G06V10/40; G06V10/88; G06V30/00; G06V30/10; G06V30/22; G06V30/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3026417A
Cited
US3107302A
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US3160854A
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US3244889A
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US3210548A
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US3344278A
Cited
US3370986A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |