Patent US2345072A successfully refreshed from Google Patents.
US2345072A
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US
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Cutoff machine tripping mechanism
Assignee: JB Ehrsam and Sons Manufacturing Co
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Filing: 1941-09-02
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Granted: 1944-03-28
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Expires: 1961-09-02
Abstract
No abstract record available.
Inventors
- 👤 John R Rosenleaf
- 👤 Emmett D Benham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:49
CPC Classifications
B; B26; B26D; B26D9/00; B28; B28B; B28B1/00; B28B1/48; B28B11/00; B28B11/12; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4714; Y10T83/4766; Y10T83/4795; Y10T83/4812; Y10T83/483; Y10T83/4833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-03-28 | 1947-09-27 | 1948-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-28 | 1951-09-27 | 1952-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-28 | 1955-09-27 | 1956-03-28 | $7700.00 | Window Closed / Lapsed |