US2573574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft bearing assembly
Assignee: Clearing Machine Corp
•
Filing: 1948-06-04
•
Granted: 1951-10-30
•
Expires: 1968-06-04
Abstract
No abstract record available.
Inventors
- 👤 Einar K Johansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:16
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0058; F; F16; F16C; F16C35/00; F16C35/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US449046A
Cited
US1652468A
Cited
US729356A
Cited
US1632462A
Cited
US1868817A
Cited
US1960166A
Cited
US2272118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |