US2628458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear grinding machine
Assignee: Maag Zahnrader und Maschinen AG
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Filing: 1950-04-11
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Granted: 1953-02-17
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Expires: 1970-04-11
Abstract
No abstract record available.
Inventors
- 👤 Buhler Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:06
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/02; B23F5/06; B23F5/065; Y; Y10; Y10S; Y10S451/00; Y10S451/90
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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |