US2492797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milling cutter
Assignee: Kearney and Trecker Corp
•
Filing: 1947-01-10
•
Granted: 1949-12-27
•
Expires: 1967-01-10
Abstract
No abstract record available.
Inventors
- 👤 Guetzkow Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:32
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/24; B23C5/2472; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/191; Y10T407/1912; Y10T407/1914; Y10T407/22; Y10T407/2268; Y10T408/00; Y10T408/86; Y10T408/885; Y10T408/888; Y10T408/94; Y10T408/95; Y10T408/953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1106561A
Cited
US1045000A
Cited
US1202139A
Cited
US1382717A
Cited
US1407560A
Cited
US1468774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |