US2981572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic bearing system
Assignee: Askania Werke AG
•
Filing: 1958-04-23
•
Granted: 1961-04-25
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Kuhne Christoph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:41
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0644
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US949780A
Cited
US1499332A
Cited
US2245378A
Cited
US2578712A
Cited
US2578713A
Cited
US2459826A
Cited
US2586269A
Cited
US2578711A
Cited
US2670464A
Cited
US2663977A
Cited
US2692803A
Cited
US2760832A
Cited
US2788862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |