Patent US2863227A successfully refreshed from Google Patents.
US2863227A
Expired / Lapsed
US
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Training apparatus reproducing the visual and audible presentations of an electronic scanning system
Assignee: Individual
•
Filing: 1954-07-19
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Granted: 1958-12-09
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Howard E Chubb
- 👤 Zack D Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:37
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/56; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4004; G01S7/4021; G09B9/54
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |