US2511543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-lubricated bearing
Assignee: Unisys Corp
•
Filing: 1945-10-05
•
Granted: 1950-06-13
•
Expires: 1965-10-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Rawlins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:06
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US466622A
Cited
US468043A
Cited
US1313842A
Cited
FR632792A
Cited
US655633A
Cited
US676471A
Cited
US976144A
Cited
US1270808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |