US2298418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for machining metals using cutting tools
Assignee: American Lurgi Corp
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Filing: 1939-02-28
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Granted: 1942-10-13
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Expires: 1959-02-28
Abstract
No abstract record available.
Inventors
- 👤 Roesner Gerhard
- 👤 Schuster Ludwig
- 👤 Friedrich Karl Freiherr G Rave
- 👤 Faber Heinrich
- 👤 Riske Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:14
CPC Classifications
C; C23; C23F; C23F4/00; C09; C09K; C09K5/00; C09K5/08; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2201/06; C10M2201/061; C10M2201/062; C10M2201/063; C10M2201/065; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/085; C10M2201/086; C10M2201/10; C10M2201/16; C10M2201/18; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/124; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/20; C10N2040/22; C10N2080/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49995; Y10T82/00; Y10T82/10
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) | 1945-10-12 | 1946-04-13 | 1946-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-12 | 1950-04-13 | 1950-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-12 | 1954-04-13 | 1954-10-13 | $7700.00 | Window Closed / Lapsed |