US1439402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft bearing
Assignee: Timken Co
•
Filing: 1922-01-11
•
Granted: 1922-12-19
•
Expires: 1942-01-11
Abstract
No abstract record available.
Inventors
- 👤 Tracy V Buckwalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/46; F16C33/54; F16C33/542; F16C33/543; F16C19/00; F16C19/22; F16C19/34; F16C19/36; F16C19/364; F16C33/58; F16C33/581; F16C2361/00; F16C2361/61; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1925-12-18 | 1926-06-19 | 1926-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-18 | 1930-06-19 | 1930-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-18 | 1934-06-19 | 1934-12-19 | $7700.00 | Window Closed / Lapsed |