Patent US2557476A successfully refreshed from Google Patents.
US2557476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing
Assignee: Individual
•
Filing: 1947-04-15
•
Granted: 1951-06-19
•
Expires: 1967-04-15
Abstract
No abstract record available.
Inventors
- 👤 Schwitter Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:05
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7893; F16C33/30; F16C33/38; F16C33/3831; F16C33/40; F16C33/42; F16C33/422; F16C33/427; F16C2212/00; F16C2212/08; F16C2226/00; F16C2226/30; F16C2226/36
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-18 | 1954-12-18 | 1955-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-18 | 1958-12-18 | 1959-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-18 | 1962-12-18 | 1963-06-19 | $7700.00 | Window Closed / Lapsed |