US2812224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed universal bearing mounting
Assignee: Individual
•
Filing: 1955-02-15
•
Granted: 1957-11-05
•
Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:37
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/084; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7896; F16C35/00; F16C35/04; F16C35/042; F16C35/047; F16C35/06; F16C35/07; F16C35/077; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |