Patent US2834592A successfully refreshed from Google Patents.
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 18:16
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US399381A
Cited
US976891A
Cited
US1448878A
Cited
US1967317A
Cited
US1993754A
Cited
US1933225A
Cited
US2102819A
Cited
US2188257A
Cited
US2258811A
Cited
US2333344A
Cited
US2402068A
Cited
US2494984A
Cited
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 |