US2773429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for generating tapered gears
Assignee: Gleason Works
•
Filing: 1952-07-12
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Granted: 1956-12-11
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Expires: 1972-07-12
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:16
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/10; B23F9/105; B23F19/00; B23F19/002; B23F9/082; B23F9/084; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/101749; Y10T409/101908; Y10T409/103816; Y10T409/103975
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964800A
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US2171406A
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US2315068A
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US2302004A
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US2376465A
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US2385331A
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US2392819A
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US2567273A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |