Patent US3091093A successfully refreshed from Google Patents.
US3091093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the operation of regenerators, preferably for use in the lowtemperature range
Assignee: Linde GmbH
•
Filing: 1958-06-16
•
Granted: 1963-05-28
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Becker Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:15
CPC Classifications
F; F25; F25J; F25J5/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
IN A CYCLICAL PROCESS FOR THE OPERATION OF REGENERATORS IN A PLANT FOR THE SEPARTIONOF GAS MIXTURES BY COOLING TO LOW TEMPERATURES AND FRACTIONATING, THE METHOD
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |