US2951552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas separator
Assignee: General Electric Co
•
Filing: 1958-06-23
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Granted: 1960-09-06
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Expires: 1978-06-23
Abstract
No abstract record available.
Inventors
- 👤 Cannon Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:55
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; C; C07; C07C; C07C17/00; C07C17/38; C07C17/389; B01D2253/00; B01D2253/10; B01D2253/106; B01D2253/108; B01D2256/00; B01D2256/26; B01D2257/00; B01D2257/20; B01D2257/206; B01D2259/00; B01D2259/40; B01D2259/40083; Y; Y02; Y02P; Y02P20/00; Y02P20/151; Y10; Y10S; Y10S95/00; Y10S95/90; Y10S95/902
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
A METHOD OF ADSORBING FREON-22 WHICH COMPRISES, UTILIZING A CRYSTALLINE ZEOLITE MOLECULAR SIEVE, ADSORBING FREON-12 ON SAID SIEVE, EXPOSING THE SAID SIEVE WITH THE ADSORBED FREON-12 THEREON TO FREON-22 FOR THE ADSORPTION THEREOF IN AN AMOUNT GREATER IN QUANTITY THAN WOULD BE ADSORBED BY A CRYSTALLINE ZEOLITE MOLECULAR SIEVE NOT HAVING ADSORBED FREON-12 THEREON.
References Cited (Backward Citations)
US2554908A
Cited
US2810454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |