Patent US2716604A successfully refreshed from Google Patents.
US2716604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing nodular iron
Assignee: Ford Motor Co
•
Filing: 1951-06-15
•
Granted: 1955-08-30
•
Expires: 1971-06-15
Abstract
No abstract record available.
Inventors
- 👤 Harold N Bogart
- 👤 Robert B Melmoth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:03
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/08; C22C33/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE PROCESS OF PRODUCING CAST IRON CASTINGS HAVING FREE CARBON IN THE NODULAR FORM COMPRISING APPLYING A MAGNESIUM TYPE FLUX TO THE STREAM OF MOLTEN IRON CONTAINING A NODULARIZING RESIDUAL OF MAGNESIUM AS THE MOLTEN IRON IS POURED INTO THE FINAL MOLD.
Claim 2
Dependent Claim
42 words
THE PROCESS OF PRODUCING CAST IRON CASTINGS HAVING FREE CARBON IN THE NODULAR FORM COMPRISING APPLYING A MAGNESIUM TYPE FLUX TO THE STREAM OF MOLTEN IRON CONTAINING A NODULARIZING RESIDUAL OF MAGNESIUM AS THE MOLTEN IRON IS POURED INTO THE FINAL MOLD.
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) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |