Patent US2828225A successfully refreshed from Google Patents.
US2828225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods of infiltrating high melting skeleton bodies
Assignee: SinterCast Corp of America
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Filing: 1954-03-01
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Granted: 1958-03-25
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Goetzel Claus Guenter
- 👤 Skolnick Leonard Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:57
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/05; C22C1/051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A METHOD FOR PRODUCING A HARD, HEAT AND WEAR RESISTANT, HIGH STRENGTH TITANIUM-BASE CARBIDE BODY FROM A HEAT RESISTANT MATRIX-FORMING METAL AND TITANIUM CARBIDE POWDER CONTAINING ABOUT 0.1% TO 1% FREE CARBON, THE IMPROVEMENT COMPRISING FORMING A BODY CONTAINING SUSBSTANTIALLY SAID FREE-CARBON-CONTAINING TITANIUM-BASE CARBIDE AND HEATING SAID TITANIUM CARBIDE IN THE PRESENCE OF A LIQUID PHASE OF SAID HEAT RSISTANT MATRIX-FORMING METAL AT AN ELEVATED TEMPERATURE ABOVE THE LIQUIDUS TEMPERATURE OF SAID HEAT RESISTANT METAL WHILE SAID BODY IS SUPPORTED BY AND IN CONTACT WITH A BERYLLIA-BASE SUPPORT CONTAINING AT LEAST ABOUT 85% BERYLLIUM OXIDE.
Claim 2
Dependent Claim
96 words
IN A METHOD FOR PRODUCING A HARD, HEAT AND WEAR RESISTANT, HIGH STRENGTH TITANIUM-BASE CARBIDE BODY FROM A HEAT RESISTANT MATRIX-FORMING METAL AND TITANIUM CARBIDE POWDER CONTAINING ABOUT 0.1% TO 1% FREE CARBON, THE IMPROVEMENT COMPRISING FORMING A BODY CONTAINING SUSBSTANTIALLY SAID FREE-CARBON-CONTAINING TITANIUM-BASE CARBIDE AND HEATING SAID TITANIUM CARBIDE IN THE PRESENCE OF A LIQUID PHASE OF SAID HEAT RSISTANT MATRIX-FORMING METAL AT AN ELEVATED TEMPERATURE ABOVE THE LIQUIDUS TEMPERATURE OF SAID HEAT RESISTANT METAL WHILE SAID BODY IS SUPPORTED BY AND IN CONTACT WITH A BERYLLIA-BASE SUPPORT CONTAINING AT LEAST ABOUT 85% BERYLLIUM OXIDE.
References Cited (Backward Citations)
US2352316A
Cited
US2612443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |