US2339097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutting-off machine
Assignee: American Smelting and Refining Co
•
Filing: 1942-09-05
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Granted: 1944-01-11
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Expires: 1962-09-05
Abstract
No abstract record available.
Inventors
- 👤 Robert B Muse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:10
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/08; B23D; B23D47/00; B23D47/04; B23D47/042; B23D47/045; Y; Y10; Y10T; Y10T83/00; Y10T83/525; Y10T83/536; Y10T83/647; Y10T83/654
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) | 1947-01-10 | 1947-07-12 | 1948-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-10 | 1951-07-12 | 1952-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-10 | 1955-07-12 | 1956-01-11 | $7700.00 | Window Closed / Lapsed |