US3529875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforced lubricating ball bearing cage
Assignee: Schaeffler Aerospace USA Corp
•
Filing: 1968-12-20
•
Granted: 1970-09-22
•
Expires: 1988-12-20
Abstract
No abstract record available.
Inventors
- 👤 Lewis W Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:35
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/38; F16C33/44; F16C33/3831; F16C33/3837; F16C33/66; F16C33/6637; F16C33/664; F16C33/6648; F16C2226/00; F16C2226/30; F16C2226/40; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3162493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |