US2432020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear planing machine
Assignee: Maag Zahnrader und Maschinen AG
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Filing: 1944-05-26
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Granted: 1947-12-02
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Expires: 1964-05-26
Abstract
No abstract record available.
Inventors
- 👤 Laesser Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:35
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1237; B23F23/1256; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/106519; Y10T409/107155; Y10T409/107314; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18928; Y10T74/18976
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) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |