US2959638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic printer
Assignee: Unisys Corp
•
Filing: 1955-06-03
•
Granted: 1960-11-08
•
Expires: 1975-06-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Sims
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:11
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/14; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1933650A
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US2397604A
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US2552156A
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US2511121A
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US2609143A
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US2533242A
Cited
US2720642A
Cited
US2784392A
Cited
US2770796A
Cited
US2736770A
Cited
US2791310A
Cited
US2797402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |