US2741816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wiper ring mountings for hot tops
Assignee: Individual
•
Filing: 1954-04-23
•
Granted: 1956-04-17
•
Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert A White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:26
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A HOT TOP FOR INGOT MOLDS, A CASING HAVING REFRACTORY LINING AND AN ATTACHABLE BOTTOM RING OF REFACTORY MATERIAL ATTACHED THERETO, SAID RING HAVING A FLANGE PORTION SPACED FROM THE BOTTOM OF THE CASING AND HAVING INTEGRALLY FORMED METAL CLIPS WITH A LEG EXTENDING INTO THE BODY OF THE RING AND A CLAMPING PORTION OVERLYING THE FLANGE FACE, AND SHEET METAL WIPER STRIPS INSERTED BETWEEN SAID CLIPS AND FLANGE FACES.
Claim 2
Dependent Claim
71 words
IN A HOT TOP FOR INGOT MOLDS, A CASING HAVING REFRACTORY LINING AND AN ATTACHABLE BOTTOM RING OF REFACTORY MATERIAL ATTACHED THERETO, SAID RING HAVING A FLANGE PORTION SPACED FROM THE BOTTOM OF THE CASING AND HAVING INTEGRALLY FORMED METAL CLIPS WITH A LEG EXTENDING INTO THE BODY OF THE RING AND A CLAMPING PORTION OVERLYING THE FLANGE FACE, AND SHEET METAL WIPER STRIPS INSERTED BETWEEN SAID CLIPS AND FLANGE FACES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |