US2792764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear cutting machine spindle mounting
Assignee: Gleason Works
•
Filing: 1952-06-25
•
Granted: 1957-05-21
•
Expires: 1972-06-25
Abstract
No abstract record available.
Inventors
- 👤 Leonard O Carlsen
- 👤 Herman A Male
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:44
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F23/1237; B23F23/125; B23F23/1268; B23Q; B23Q1/00; B23Q1/70; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2283154A
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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) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |