US2979399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of compacts made from uranium and beryllium by sintering
Assignee: Individual
•
Filing: 1950-12-27
•
Granted: 1961-04-11
•
Expires: 1970-12-27
Abstract
No abstract record available.
Inventors
- 👤 Roswell P Angier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:24
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/0408; Y; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF UNIFORMLY DISTRIBUTING U IN BE WHICH COMPRISES MIXING THE DESIRED PORTION OF UBE9 WITH THE DESIRED PORTION OF POWDERED BE, COMPACTING THE POWDER MIXTURE UNDER PRESSURE AND SINTERING THE COMPACTED MATERIAL AT A TEMPERATURE LYING BETWEEN THE EUTECTIC TEMPERATURE OF THE MIXTURE AND THE MELTING POINT OF BE BY INSTANTANEOUS HEATING TO THE DESIRED TEMPERATURE.
Claim 2
Independent Claim
58 words
THE METHOD OF UNIFORMLY DISTRIBUTING U IN BE WHICH COMPRISES MIXING THE DESIRED PORTION OF UBE9 WITH THE DESIRED PORTION OF POWDERED BE, COMPACTING THE POWDER MIXTURE UNDER PRESSURE AND SINTERING THE COMPACTED MATERIAL AT A TEMPERATURE LYING BETWEEN THE EUTECTIC TEMPERATURE OF THE MIXTURE AND THE MELTING POINT OF BE BY INSTANTANEOUS HEATING TO THE DESIRED TEMPERATURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |