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US2949062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of continuously cutting gearwheels
Assignee: Heidenreich and Harbeck GmbH
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Filing: 1957-05-07
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Granted: 1960-08-16
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Expires: 1977-05-07
Abstract
No abstract record available.
Inventors
- 👤 Apitz Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:02
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/10; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/103816; Y10T409/103975
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2773429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |