US3384425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic bearing
Assignee: Charles Churchill and Co Ltd
•
Filing: 1965-11-22
•
Granted: 1968-05-21
•
Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Brown Graham Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:08
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/38; F16C29/00; F16C29/02; F16C29/025; F16C2322/00; F16C2322/39
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US315776A
Cited
US466645A
Cited
US1117504A
Cited
US1445188A
Cited
US2037326A
Cited
US2785022A
Cited
GB876171A
Cited
US3053583A
Cited
US3052505A
Cited
US3137530A
Cited
US3132908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |