US2533138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of hydrogen
Assignee: Individual
•
Filing: 1945-05-18
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Granted: 1950-12-05
•
Expires: 1965-05-18
Abstract
No abstract record available.
Inventors
- 👤 Amos S Newton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/50; C01B3/56; C01B2203/00; C01B2203/04; C01B2203/042; C01B2203/0465; C01B2203/047; C01B2203/0475; C01B2203/048; C01B2203/0495
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A PROCESS FOR THE SEPARATION OF HYDROGEN FROM GASEOUS MIXTURES CONTAINING HYDROGEN AND HYDROCARBONS WHICH COMPRISES CONTACTING SAID GASEOUS MIXTURE WITH FINELY DIVIDED URANIUM AT A TEMPERATURE OF 700 TO 800*C.
References Cited (Backward Citations)
GB166541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |