US1884778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam reheater
Assignee: Babcock and Wilcox Co
•
Filing: 1928-05-16
•
Granted: 1932-10-25
•
Expires: 1948-05-16
Abstract
No abstract record available.
Inventors
- 👤 Charles E Lucke
- 👤 John E Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:30
CPC Classifications
F; F22; F22G; F22G1/00; F22G1/005; F28; F28D; F28D7/00; F28D7/005; F28F; F28F9/00; F28F9/02; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40; Y10S165/427; Y10S165/429; Y10S165/43
Claims Analysis
Total Claims: 0
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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) | 1935-10-25 | 1936-04-25 | 1936-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-25 | 1940-04-25 | 1940-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-25 | 1944-04-25 | 1944-10-25 | $7700.00 | Window Closed / Lapsed |