Patent US2915902A successfully refreshed from Google Patents.
US2915902A
Expired / Lapsed
US
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Auxiliary bearings for sensitive instruments
Assignee: Unisys Corp
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Filing: 1956-05-03
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Granted: 1959-12-08
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Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 Richard G Brugger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:12
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0662; G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; G01C19/20; F16C2370/00; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2095313A
Cited
US2623353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |