Patent US2614803A successfully refreshed from Google Patents.
Patent US2490817A successfully refreshed from Google Patents.
US3288573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resistant member and process for forming
Assignee: Polycarbide Corp
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Filing: 1960-10-03
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Granted: 1966-11-29
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Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Abos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:23
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/0084; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/1216; Y10T428/12167; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
63 words
A HIGH TEMPERATURE RESISTANT MEMBER COMPRISING DISCRETE GRAPHITE PARTICLES, A HIGH TEMPERATURE MELTING CARBON COMBINING METAL OF THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, NIOBIUM, TANTALUM, CHROMIUM, MOLYBDENUM, TUNGSTEN AND SILICON FORMING CARBIDE ENVELOPES AROUND SAID PARTICLES AND VOIDS BETWEEN SAID ENVELOPES, AND A METAL HAVING A MELTING POINT LOWER THAN SAID ENVELOPE ALLOY IN SAID VOIDS AND BONDED TO SAID ENVELOPES.
Claim 2
Dependent Claim
63 words
A HIGH TEMPERATURE RESISTANT MEMBER COMPRISING DISCRETE GRAPHITE PARTICLES, A HIGH TEMPERATURE MELTING CARBON COMBINING METAL OF THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, HAFNIUM, VANADIUM, NIOBIUM, TANTALUM, CHROMIUM, MOLYBDENUM, TUNGSTEN AND SILICON FORMING CARBIDE ENVELOPES AROUND SAID PARTICLES AND VOIDS BETWEEN SAID ENVELOPES, AND A METAL HAVING A MELTING POINT LOWER THAN SAID ENVELOPE ALLOY IN SAID VOIDS AND BONDED TO SAID ENVELOPES.
Claim 3
Dependent Claim
34 words
A PROCESS OF PRODUCING A HIGH TEMPERATURE RESISTANT PRODUCT WHICH CONSISTS OF SUPPORTING A POROUS GRAPHITE BODY AND A SUPERIMPOSED MASS OF CARBIDE FORMING METAL IN A POROUS GRAPHITE CRUCIBLE, SUPPORTING AND HEATING SAID
Claim 4
Dependent Claim
34 words
A PROCESS OF PRODUCING A HIGH TEMPERATURE RESISTANT PRODUCT WHICH CONSISTS OF SUPPORTING A POROUS GRAPHITE BODY AND A SUPERIMPOSED MASS OF CARBIDE FORMING METAL IN A POROUS GRAPHITE CRUCIBLE, SUPPORTING AND HEATING SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |