US2614897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Main bearing for multicrank engines
Assignee: West Bend Co
•
Filing: 1950-03-11
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Granted: 1952-10-21
•
Expires: 1970-03-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph N Kircher
- 👤 Wilford B Burkett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:51
CPC Classifications
F; F02; F02F; F02F7/00; F02F7/0043; F02F7/0053; F02F7/0048; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US617719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |