US2651554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction bearing structure
Assignee: SCHATZ Manufacturing Co
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Filing: 1951-11-30
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Granted: 1953-09-08
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Expires: 1971-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Recknagel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:11
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/60; F16C19/00; F16C19/02; F16C19/14; F16C19/18; F16C19/181; F16C19/183; F16C19/184; F16C19/185; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/49689; Y10T29/49826; Y10T29/49863; Y10T29/49876
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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |