US3471862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encoder apparatus for magnetic credit cards and the like
Assignee: Individual
•
Filing: 1967-10-18
•
Granted: 1969-10-07
•
Expires: 1987-10-18
Abstract
No abstract record available.
Inventors
- 👤 Walter W Barney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G06; G06K; G06K1/00; G06K1/12; G06K1/125; G06K19/00; G06K19/06; G06K19/06187; G06K19/08; G06K19/10; G06K19/12; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/347; G07F7/086; G07F7/1025; G07F7/1058; Y; Y10; Y10S; Y10S283/00; Y10S283/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2098596A
Cited
US2359617A
Cited
US2416090A
Cited
US2943907A
Cited
US3015087A
Cited
US3100834A
Cited
US3154761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |