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Patent US3423749A successfully refreshed from Google Patents.
US3423749A
Expired / Lapsed
US
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Character positioning control
Assignee: International Business Machines Corp
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Filing: 1966-03-30
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Granted: 1969-01-21
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Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Newcomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/04; G09G1/06; G09G1/14; G09G1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2987715A
Cited
US3241120A
Cited
US3289196A
Cited
US3307156A
Cited
US3345458A
Cited
US3346853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |