US2853376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cast iron articles
Assignee: Centre Technique Des Industries De La Fonderie
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Filing: 1956-03-06
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Granted: 1958-09-23
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Expires: 1976-03-06
Abstract
No abstract record available.
Inventors
- 👤 Blanc Georges
- 👤 Volianik Nicolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:36
CPC Classifications
C; C21; C21C; C21C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
PROCESS FOR TREATING LIQUID CAST IRON IN ORDER TO DIMINISH THE TENDENCY OF THE LATTER TO SOLIDIFY IN THE FORM OF WHITE CAST IRON; COMMPRISING THESTEPS OF IMERSING AT LEAST ONE MEMBER OF GRAPHITIZING MATGERIAL IN A BATH OF THE LIQUID CAST IRON, AND BUBBLING A GAS THROUGH THE BATH OF LIQUID CAST IRON IN CONTACT WITH A SURFACE OF SAID MEMBER, THE TEMPERATURE OF SAID BATH OF LIQUID CAST IRON BEING LOW ENOUGH, AND THE PERIOD F BUBBLING OF GAS THROUGH SAID BATH BEING SHORT ENOUGH IN CONSIDERATION OF
Claim 2
Dependent Claim
90 words
PROCESS FOR TREATING LIQUID CAST IRON IN ORDER TO DIMINISH THE TENDENCY OF THE LATTER TO SOLIDIFY IN THE FORM OF WHITE CAST IRON; COMMPRISING THESTEPS OF IMERSING AT LEAST ONE MEMBER OF GRAPHITIZING MATGERIAL IN A BATH OF THE LIQUID CAST IRON, AND BUBBLING A GAS THROUGH THE BATH OF LIQUID CAST IRON IN CONTACT WITH A SURFACE OF SAID MEMBER, THE TEMPERATURE OF SAID BATH OF LIQUID CAST IRON BEING LOW ENOUGH, AND THE PERIOD F BUBBLING OF GAS THROUGH SAID BATH BEING SHORT ENOUGH IN CONSIDERATION OF
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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |