US3449585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic recognition system using constant intensity image bearing light beam
Assignee: Individual
•
Filing: 1966-02-15
•
Granted: 1969-06-10
•
Expires: 1986-02-15
Abstract
No abstract record available.
Inventors
- 👤 Arnold Trehub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:43
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V10/00; G06V10/10; G01; G01J; G01J3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2934653A
Cited
US3255436A
Cited
US3215843A
Cited
US3215848A
Cited
US3274380A
Cited
US3328585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |