US2602645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerator and packing therefor
Assignee: Hydrocarbon Research Inc
•
Filing: 1948-04-09
•
Granted: 1952-07-08
•
Expires: 1968-04-09
Abstract
No abstract record available.
Inventors
- 👤 Robert F Benenati
- 👤 Herman F Buschow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:18
CPC Classifications
F; F25; F25J; F25J5/00; F25J5/002; F25J2205/00; F25J2205/24; Y; Y10; Y10S; Y10S165/00; Y10S165/009; Y10S165/037; Y10S165/905; Y10S62/00; Y10S62/902; Y10S62/909
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1762446A
Cited
US1808921A
Cited
US1824079A
Cited
US1893330A
Cited
US1994515A
Cited
US2214672A
Cited
US2313081A
Cited
GB486237A
Cited
US2386889A
Cited
US2492788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |