Patent US2816480A successfully refreshed from Google Patents.
US2816480A
Expired / Lapsed
US
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Prism type anamorphoscopic device
Assignee: Superscope Inc
•
Filing: 1953-11-23
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Granted: 1957-12-17
•
Expires: 1973-11-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Tushinsky
- 👤 Irving P Tushinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:46
CPC Classifications
G; G02; G02B; G02B13/00; G02B13/08; G02B13/10
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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |