US2619174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for high-speed cutting of cylindrical metal members
Assignee: Babcock and Wilcox Co
•
Filing: 1949-02-26
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Granted: 1952-11-25
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Expires: 1969-02-26
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Neale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:55
CPC Classifications
B; B23; B23D; B23D21/00; B23D21/04; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17291; Y10T279/17307; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49798; Y10T82/00; Y10T82/16; Y10T82/16229; Y10T82/16262; Y10T82/16295; Y10T82/16426; Y10T82/16442; Y10T82/16459; Y10T82/16524; Y10T82/25; Y10T82/2527; Y10T82/2529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306588A
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US1592933A
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DE402079C
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US2018523A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |