Patent US2834258A successfully refreshed from Google Patents.
US2834258A
Expired / Lapsed
US
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Gear cutting machine with automatic loader
Assignee: Gleason Works
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Filing: 1957-03-29
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Granted: 1958-05-13
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Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 Henry J Anderson
- 👤 Leonard O Carlsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:31
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/02; B23F23/04; B23F1/00; B23F1/08; B23F1/083; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/100795; Y10T409/100954
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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |