Patent US2553337A successfully refreshed from Google Patents.
US2553337A
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US
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Bearing assembly
Assignee: Individual
•
Filing: 1948-09-21
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Granted: 1951-05-15
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Expires: 1968-09-21
Abstract
No abstract record available.
Inventors
- 👤 Julius E Shafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:36
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/084; F16C35/00; F16C35/04; F16C35/042; F16C35/047; F16C35/06; F16C35/063; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0847; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7041
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |