US3432844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character generation logic
Assignee: AT&T Teletype Corp
•
Filing: 1965-04-21
•
Granted: 1969-03-11
•
Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Charles R Winston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
H; H04; H04L; H04L21/00; H04L21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2931022A
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US2878313A
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US3024454A
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US3060429A
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US3249923A
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US3329947A
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US3293614A
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US3298030A
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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) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |