US3028256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming a coating of molybdenum carbide on a carbon body
Assignee: Individual
•
Filing: 1958-12-31
•
Granted: 1962-04-03
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Massoud T Simnad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:54
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/5053; C04B41/5057; C04B41/80; C04B41/81; C04B41/85; C04B41/87; Y; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD OF TREATING A CARBON BODY WHICH COMPRISES THE STEPS OF COATING A CARBON BODY WITH MOLYBDENUM OXIDE BELOW THE CARBURIZATION TEMPERATURE AND CARBURIZING SAID MOLYBDENUM OXIDE DIRECTLY TO THE CARBIDE IN SITU ON SAID CARBON BODY IN PRESENCE OF INERT ATMOSPHERE WHEREBY MOLYBDEUM CARBIDE IS FORMED IN SITU ON AND WITHIN SAID CARBON BODY, WHEREBY SAID CARBON BODY IS RENDERED LESS PERMEABLE TO THE FLOW OF GASES THERETHROUGH AND HAS INCREASED RESISTANCE TO CORROSION AND EROSION.
Claim 2
Independent Claim
78 words
THE METHOD OF TREATING A CARBON BODY WHICH COMPRISES THE STEPS OF COATING A CARBON BODY WITH MOLYBDENUM OXIDE BELOW THE CARBURIZATION TEMPERATURE AND CARBURIZING SAID MOLYBDENUM OXIDE DIRECTLY TO THE CARBIDE IN SITU ON SAID CARBON BODY IN PRESENCE OF INERT ATMOSPHERE WHEREBY MOLYBDEUM CARBIDE IS FORMED IN SITU ON AND WITHIN SAID CARBON BODY, WHEREBY SAID CARBON BODY IS RENDERED LESS PERMEABLE TO THE FLOW OF GASES THERETHROUGH AND HAS INCREASED RESISTANCE TO CORROSION AND EROSION.
References Cited (Backward Citations)
US404463A
Cited
US2282098A
Cited
GB589977A
Cited
US2597963A
Cited
US2719094A
Cited
US2876139A
Cited
US2930106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |