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US2952080A
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US
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Cryptic grid scrambling and unscrambling method and apparatus
Assignee: Teleregister Corp
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Filing: 1957-09-12
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Granted: 1960-09-13
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Expires: 1977-09-12
Abstract
No abstract record available.
Inventors
- 👤 Emik A Avakian
- 👤 Joseph J Malin
- 👤 William P Hoeflinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:23
CPC Classifications
G; G09; G09C; G09C5/00; G07; G07C; G07C9/00; G07C9/20; G07C9/22; G07C9/24; G07C9/243; Y; Y10; Y10S; Y10S283/00; Y10S283/902
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) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |