US2475401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for regrinding worn crankshafts
Assignee: Individual
•
Filing: 1946-12-16
•
Granted: 1949-07-05
•
Expires: 1966-12-16
Abstract
No abstract record available.
Inventors
- 👤 Prince Victor John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:23
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/42; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2564
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) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |