USRE25218E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for carrying out endothermic
Assignee: —
•
Filing: —
•
Granted: 1962-08-07
•
Expires: 1979-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:45
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/0006; B01J19/0013; B01J19/087; B01J19/088; C; C01; C01C; C01C3/00; C01C3/02; C01C3/0208; C01C3/025; C07; C07C; C07C1/00; C07C4/00; C07C4/02; C07C4/04; C07C4/08; C07C4/10; C10; C10G; C10G15/00; C10G15/12; C10G9/00; C10G9/34; C10G9/36; C10G9/38; F; F23; F23B; F23B7/00; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00121; B01J2219/00123; B01J2219/00159; F23B2700/00; F23B2700/023
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |