Patent US3567198A successfully refreshed from Google Patents.
US3567198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retriever means for walking beam furnace
Assignee: Granco Equipment Inc
•
Filing: 1969-11-14
•
Granted: 1971-03-02
•
Expires: 1989-11-14
Abstract
Abstract D R A W I N G THIS DISCLOSURE RELATES TO A WALKING BEAM FURNACE FOR HEATING BILLETS AND A RETRIEVER FOR THE HEATED BILLETS. THE WALKING BEAM HAS A POWER MEANS WITH A SPEED REDUCING DRIVE AND A LOWER SPEED IS EMPLOYED WHILE REMOVING THE HEATED BILLETS FROM THE END OF THE FURNACE. THE RETRIEVER DEVICE HAS A FORWARD WEDGING SURFACE WHICH FORCES THE BILLETS UPWARDLY AS THE RETRIEVER DEVICE IS MOVED INTO THE FURNACE. THE BILLETS FALLS NTO THE RETRIEVER AND THE BILLET AND RETRIEVER ARE THEN WITHDRAWN FROM THE FURNACE.
Inventors
- 👤 Charles B Gentry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:51
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/201; F27B9/202; F27B9/206
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |