US3321116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing ladle with removable frangible drain trough
Assignee: Lebanon Steel Foundry
•
Filing: 1964-04-28
•
Granted: 1967-05-23
•
Expires: 1984-04-28
Abstract
No abstract record available.
Inventors
- 👤 Gordy E Loftin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/15; B; B22; B22D; B22D39/00; B22D39/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DISPENSING LADLE FOR MOLTEN METAL COMPRISING A RECEPTACLE HAVING A MAIN CHAMBER FOR MOLTEN METAL AND ADAPTED TO RECEIVE A COVER HAVING A SEALING SURFACE DETACHABLY SECURABLE IN POSITION OVER THE TOP OF THE MAIN CHAMBER TO PROVIDE A GAS PRESSURIZED SEAL THEREBETWEEN DURING DISPENSING OF MOLTEN METAL FROM THE LADLE, SAID RECEPTACLE COMPRISING A DISPENSING OUTLET FOR SAID MOLTEN METAL, A CONDUIT FOR MOLTEN METAL COMMUNICATING AT ONE OF ITS ENDS WITH SAID OUTLET AND AT ITS OTHER END WITH SAID STORAGE CHAMBER BELOW THE TOP THEREOF AND EXTENDING UPWARDLY FROM SAID OTHER END TO SAID ONE END THEREOF, A DRAIN OUTLET IN A SIDE WALL OF SAID MAIN CHAMBER, AN OUTWARDLY EXTENDING FLANGE ON SAID SIDE WALL OF SAID MAIN CHAMBER BELOW SAID DRAIN OUTLET FOR PROVIDING A SURFACE FOR RECEIVING THE SEALING SURFACE OF THE PRESSURIZED COVER FOR SAID CHAMBER AND A REMOVABLE TROUGH MADE OF A
Claim 2
Dependent Claim
151 words
A DISPENSING LADLE FOR MOLTEN METAL COMPRISING A RECEPTACLE HAVING A MAIN CHAMBER FOR MOLTEN METAL AND ADAPTED TO RECEIVE A COVER HAVING A SEALING SURFACE DETACHABLY SECURABLE IN POSITION OVER THE TOP OF THE MAIN CHAMBER TO PROVIDE A GAS PRESSURIZED SEAL THEREBETWEEN DURING DISPENSING OF MOLTEN METAL FROM THE LADLE, SAID RECEPTACLE COMPRISING A DISPENSING OUTLET FOR SAID MOLTEN METAL, A CONDUIT FOR MOLTEN METAL COMMUNICATING AT ONE OF ITS ENDS WITH SAID OUTLET AND AT ITS OTHER END WITH SAID STORAGE CHAMBER BELOW THE TOP THEREOF AND EXTENDING UPWARDLY FROM SAID OTHER END TO SAID ONE END THEREOF, A DRAIN OUTLET IN A SIDE WALL OF SAID MAIN CHAMBER, AN OUTWARDLY EXTENDING FLANGE ON SAID SIDE WALL OF SAID MAIN CHAMBER BELOW SAID DRAIN OUTLET FOR PROVIDING A SURFACE FOR RECEIVING THE SEALING SURFACE OF THE PRESSURIZED COVER FOR SAID CHAMBER AND A REMOVABLE TROUGH MADE OF A
References Cited (Backward Citations)
US1873549A
Cited
US1929607A
Cited
US1972710A
Cited
US2195523A
Cited
US2341054A
Cited
US2801839A
Cited
US2734824A
Cited
US2828516A
Cited
US3032841A
Cited
US2990592A
Cited
US3216070A
Cited
US3092881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |