US2906130A
Expired / Lapsed
US
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High speed stepping apparatus
Assignee: Unisys Corp
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Filing: 1955-07-29
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Granted: 1959-09-29
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Expires: 1975-07-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Isaac M Sheaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:29
CPC Classifications
G; G04; G04C; G04C13/00; G04C13/08; H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/08; H01H51/082; H01H51/086; H01H67/00; H01H67/02; H01H67/04; H01H67/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1502; Y10T74/18; Y10T74/18528
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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |