Patent US3423140A successfully refreshed from Google Patents.
US3423140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing seals for drawn cup bearings
Assignee: Timken US LLC
•
Filing: 1966-05-03
•
Granted: 1969-01-21
•
Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 John H Cowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:51
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7809; F16C19/00; F16C19/22; F16C19/44; F16C19/46; F16C19/466; F16C33/30; F16C33/58; F16C33/60; F16C33/605; F16C2240/00; F16C2240/40; F16C2240/70; F16C2240/80; F16C2240/82; F16C2240/84
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
AT74694B
Cited
US2118027A
Cited
FR864678A
Cited
GB546260A
Cited
US2750212A
Cited
US2907596A
Cited
US2932535A
Cited
DE1058318B
Cited
GB811356A
Cited
US3003799A
Cited
US3021161A
Cited
DE1162646B
Cited
US3207521A
Cited
US3206829A
Cited
US3348889A
Cited
US3203511A
Cited
US3306682A
Cited
US3368853A
Cited
US3341265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |