Patent US2473304A successfully refreshed from Google Patents.
US3224352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reflex-copyin
Assignee: —
•
Filing: —
•
Granted: 1965-12-21
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:27
CPC Classifications
G; G03; G03F; G03F1/00; H; H04; H04N; H04N1/00; H04N1/04; H04N1/19; H04N1/195; H04N1/19594; H04N2201/00; H04N2201/04; H04N2201/0402; H04N2201/0434
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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |