Patent US2475747A successfully refreshed from Google Patents.
US2475747A
Expired / Lapsed
US
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Metal chopper for presses or the like
Assignee: Individual
•
Filing: 1947-08-22
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Granted: 1949-07-12
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Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 George O Letoile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:51
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/08; B21D43/09; B21D22/00; Y; Y10; Y10S; Y10S83/00; Y10S83/923; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/222; Y10T83/485; Y10T83/494; Y10T83/647; Y10T83/6476; Y10T83/6484; Y10T83/727; Y10T83/739
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1609579A
Cited
US2004021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |