US2567460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for grinding gear wheels
Assignee: Maag Zahnrader und Maschinen AG
•
Filing: 1948-09-10
•
Granted: 1951-09-11
•
Expires: 1968-09-10
Abstract
No abstract record available.
Inventors
- 👤 Aeppli Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:30
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/02; B23F5/06; B23F5/065; B23F19/00; B23F19/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1183020A
Cited
GB403886A
Cited
US2164978A
Cited
US2325836A
Cited
US2404573A
Cited
US2392819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |