US2997173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Card processing apparatus
Assignee: Philips North America LLC
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Filing: 1955-10-17
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Granted: 1961-08-22
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Expires: 1975-10-17
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Nelson
- 👤 Hans M Stern
- 👤 Jerome B Wiener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:58
CPC Classifications
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Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |