Patent US2102659A successfully refreshed from Google Patents.
US2102659A
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US
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Method of producing gears
Assignee: Gleason Works
•
Filing: 1933-06-23
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Granted: 1937-12-21
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Expires: 1953-06-23
Abstract
No abstract record available.
Inventors
- 👤 Wildhaber Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:25
CPC Classifications
B; B23; B23F; B23F9/00; B23F9/08; B23F9/082; B23F9/084; Y; Y10; Y10T; Y10T29/00; Y10T29/47; Y10T29/477; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/101749
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-12-20 | 1941-06-21 | 1941-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-12-20 | 1945-06-21 | 1945-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-12-20 | 1949-06-21 | 1949-12-21 | $7700.00 | Window Closed / Lapsed |