US3465131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic coded card with magnetic reed switch reader
Assignee: ROBERT S TEN EYCK
•
Filing: 1966-05-27
•
Granted: 1969-09-02
•
Expires: 1986-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert S Ten Eyck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:04
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/08; G06K7/082; G06K7/087; G06K7/088; G07; G07F; G07F7/00; G07F7/08; G07F7/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2547838A
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US2634911A
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US2967916A
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US3184563A
Cited
US3154761A
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US3205323A
Cited
US3312372A
Cited
US3274352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |