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US2860643A
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Assignee: Unisys Corp
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Filing: 1956-11-19
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Granted: 1958-11-18
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Wallace R Senechal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:57
CPC Classifications
B; B42; B42F; B42F17/00; B42F17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190827117A
Cited
US1289525A
Cited
US1918765A
Cited
FR933880A
Cited
US2759480A
Cited
US2669237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |