Patent US2751663A successfully refreshed from Google Patents.
US2751663A
Expired / Lapsed
US
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Facing head, particularly for the milling of steel, bronze and cast iron
Assignee: Stahag Steel and Hard Metal Import Trading Co
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Filing: 1952-08-13
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Granted: 1956-06-26
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Expires: 1972-08-13
Abstract
No abstract record available.
Inventors
- 👤 Leuzinger Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:55
CPC Classifications
B; B23; B23C; B23C5/00; B23C5/16; B23C5/20; B23C5/22; B23C5/2204; B23C5/2208; B23C5/2265; B23C5/2278; Y; Y10; Y10T; Y10T407/00; Y10T407/19; Y10T407/1906; Y10T407/1908; Y10T407/1912; Y10T407/192; Y10T407/1922; Y10T407/1924; Y10T407/1932; Y10T407/1934; Y10T407/1936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1460029A
Cited
US1460030A
Cited
US1914411A
Cited
DE680231C
Cited
GB587854A
Cited
US2648893A
Cited
GB707691A
Cited
US2664617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |