US2905157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separately fired radiant superheater
Assignee: Combustion Engineering Inc
•
Filing: 1956-04-23
•
Granted: 1959-09-22
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 Schroeder Henry
- 👤 John H Cruise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:50
CPC Classifications
F; F22; F22G; F22G1/00; F22G1/16; F22G5/00; F22G5/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1791955A
Cited
US2229643A
Cited
US2677354A
Cited
FR1068954A
Cited
FR1085964A
Cited
FR1096785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |