US3465672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Credit card verifier and print enabling means in printing apparatus
Assignee: KENNETH O WHITFIELD
•
Filing: 1968-02-06
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Granted: 1969-09-09
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Expires: 1988-02-06
Abstract
No abstract record available.
Inventors
- 👤 Kenneth O Whitfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:17
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G07F7/10; G06; G06C; G06C27/00; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/347; G07F7/1025; G07F7/1058
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1385788A
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US1644229A
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US2555148A
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US2760183A
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US2691938A
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US2664815A
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US2714201A
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US3059570A
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US3048097A
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US3247784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |