US2685505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sodium
Assignee: EIDP Inc
•
Filing: 1951-06-27
•
Granted: 1954-08-03
•
Expires: 1971-06-27
Abstract
No abstract record available.
Inventors
- 👤 Alden J Deyrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:30
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
THE METHOD OF REMOVING SODIUM VAPOR FROM A MIXTURE OF GASES CONTAINING SAID VAPOR WHICH COMPRISES CONTAINING THE MIXTURE WITH MOLTEN TIN HAVING A TEMPERATURE OF ABOUT 900*-1200* C. AND THEREBY ABSORBING THE SODIUM FROM THE MIXTURE AT A TEMPERATURE ABOVE THE BOILING POINT OF SODIUM.
Claim 2
Independent Claim
46 words
THE METHOD OF REMOVING SODIUM VAPOR FROM A MIXTURE OF GASES CONTAINING SAID VAPOR WHICH COMPRISES CONTAINING THE MIXTURE WITH MOLTEN TIN HAVING A TEMPERATURE OF ABOUT 900*-1200* C. AND THEREBY ABSORBING THE SODIUM FROM THE MIXTURE AT A TEMPERATURE ABOVE THE BOILING POINT OF SODIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |