Patent US1786689A successfully refreshed from Google Patents.
US1786689A
Expired / Lapsed
US
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Completely automatic gear-cutting machine
Assignee: Gleason Works
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Filing: 1928-12-13
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Granted: 1930-12-30
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Expires: 1948-12-13
Abstract
No abstract record available.
Inventors
- 👤 Herbert J White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:08
CPC Classifications
B; B23; B23F; B23F1/00; B23F1/06; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/1008; Y10T279/34; Y10T279/3481; Y10T409/00; Y10T409/10; Y10T409/100795; Y10T409/100954; Y10T409/109699
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) | 1933-12-29 | 1934-06-30 | 1934-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-29 | 1938-06-30 | 1938-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-29 | 1942-06-30 | 1942-12-30 | $7700.00 | Window Closed / Lapsed |