US2982619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic compounds for use in hightemperature applications
Assignee: Individual
•
Filing: 1957-04-12
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Granted: 1961-05-02
•
Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Roger A Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:20
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/645; C04B35/515; C04B35/58; C04B35/58085; C04B35/58092; B; B22; B22F; B22F2998/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AN ARTICLE OF MANUFACTURE COMPRISING A SINTERED POWDER METALLURGY PRODUCT CONSISTING ESSENTIALLY OF SINTERED POWDER PARTICLES SELECTED FROM THE GROUP CONSISTING OF THE DISILICIDES OF URANIUM, MOLYBDENUM, CHROMIUM, TUNGSTEN, ZIRCONIUM AND TITANIUM POWDERED SUBSTANTIALLY 100% TO PARTICLE SIZES SUBSTANTIALLY LESS THAN 25 MICRONS.
Claim 2
Dependent Claim
43 words
AN ARTICLE OF MANUFACTURE COMPRISING A SINTERED POWDER METALLURGY PRODUCT CONSISTING ESSENTIALLY OF SINTERED POWDER PARTICLES SELECTED FROM THE GROUP CONSISTING OF THE DISILICIDES OF URANIUM, MOLYBDENUM, CHROMIUM, TUNGSTEN, ZIRCONIUM AND TITANIUM POWDERED SUBSTANTIALLY 100% TO PARTICLE SIZES SUBSTANTIALLY LESS THAN 25 MICRONS.
References Cited (Backward Citations)
US1560885A
Cited
GB435754A
Cited
US2089030A
Cited
US2116400A
Cited
US2193413A
Cited
US2665474A
Cited
US2921861A
Cited
US2779580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |