US2554488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal for bearings and the like
Assignee: Individual
•
Filing: 1945-06-16
•
Granted: 1951-05-29
•
Expires: 1965-06-16
Abstract
No abstract record available.
Inventors
- 👤 John A Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:42
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16J; F16J15/00; F16J15/16; F16J15/18; F16C33/76; F16C33/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US395087A
Cited
US955332A
Cited
US1718175A
Cited
US1930312A
Cited
US1895348A
Cited
US2124526A
Cited
US2245475A
Cited
GB546260A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |