US2472261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft and method of making same
Assignee: Cleveland Welding Co
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Filing: 1944-08-10
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Granted: 1949-06-07
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Expires: 1964-08-10
Abstract
No abstract record available.
Inventors
- 👤 Homer L Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:47
CPC Classifications
B; B21; B21J; B21J1/00; B21J1/06; B21K; B21K1/00; B21K1/06; B21K1/08; F; F16; F16C; F16C3/00; F16C3/04; F16C3/06; F16C3/08; Y; Y10; Y10S; Y10S29/00; Y10S29/024; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49286; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668
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) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |