US2491901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic metal sawing machine
Assignee: Motch and Merryweather Machinery Co
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Filing: 1944-09-27
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Granted: 1949-12-20
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Expires: 1964-09-27
Abstract
No abstract record available.
Inventors
- 👤 Moohl Johan Gustaf
- 👤 Lee W Mcclellan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:18
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/001; B23D; B23D47/00; B23D47/04; B23Q7/00; B23Q7/04; B23Q7/041; B23Q7/042; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/096; Y10T83/098; Y10T83/101; Y10T83/444; Y10T83/4443; Y10T83/4445; Y10T83/4493; Y10T83/626; Y10T83/637
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) | 1952-12-19 | 1953-06-20 | 1953-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-19 | 1957-06-20 | 1957-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-19 | 1961-06-20 | 1961-12-20 | $7700.00 | Window Closed / Lapsed |