US3447457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card reader imprinter and/or reader mechanism
Assignee: Vertex Industries Inc
•
Filing: 1967-02-27
•
Granted: 1969-06-03
•
Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Woodrow Wilson Dechert Jr
- 👤 Richard Le Roy Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:59
CPC Classifications
G; G07; G07F; G07F7/00; G07F7/08; G06; G06Q; G06Q20/00; G06Q20/38; G06Q20/40; G06Q20/403; G06Q20/4033; G07F7/0806; G07F7/0833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1385788A
Cited
US2994265A
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US3003415A
Cited
US3018725A
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US3048097A
Cited
US3179046A
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US3253541A
Cited
US3272120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |