US2457417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting tool
Assignee: CHERRY RIVET Co
•
Filing: 1945-12-14
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Granted: 1948-12-28
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Expires: 1965-12-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Trautmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:01
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/38; B21J15/386; B21J15/02; B21J15/04; B21J15/043; B23; B23D; B23D29/00; B23D29/002; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544
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) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |