US2834592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling quench machine
Assignee: Gleason Works
•
Filing: 1952-08-19
•
Granted: 1958-05-13
•
Expires: 1972-08-19
Abstract
No abstract record available.
Inventors
- 👤 Robert V Adair
- 👤 Leonard O Carlsen
- 👤 Earl D Dammert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:27
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US399381A
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US976891A
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US1448878A
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US1967317A
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US1993754A
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US1933225A
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US2102819A
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US2188257A
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US2258811A
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US2333344A
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US2402068A
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US2494984A
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US2674900A
Cited
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 |