Patent US3690315A successfully refreshed from Google Patents.
Patent US2223872A successfully refreshed from Google Patents.
US2223872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-aligning bearing
Assignee: Ohio Rubber Co
•
Filing: 1940-01-11
•
Granted: 1940-12-03
•
Expires: 1960-01-11
Abstract
No abstract record available.
Inventors
- 👤 John F Mcwhorter
- 👤 Marion W Humphreys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:17
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/102; F16C23/00; F16C23/02; F16C23/04; F16C27/00; F16C27/06; F16C27/063; H; H02; H02K; H02K5/00; H02K5/04; H02K5/16; H02K5/167; H02K5/1672; F16C2380/00; F16C2380/26
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) | 1943-12-03 | 1944-06-03 | 1944-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-03 | 1948-06-03 | 1948-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-03 | 1952-06-03 | 1952-12-03 | $7700.00 | Window Closed / Lapsed |