US3003480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generator
Assignee: Babcock and Wilcox Co
•
Filing: 1957-06-19
•
Granted: 1961-10-10
•
Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Leroy M Fink
- 👤 Edwin G Kispert
- 👤 Arthur E Raynor
- 👤 Will H Rowand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:00
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/04; F22B; F22B21/00; F22B21/002; F22G5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1898196A
Cited
US2245209A
Cited
US2175555A
Cited
US2628598A
Cited
US2737930A
Cited
US2560063A
Cited
US2730080A
Cited
US2811955A
Cited
GB726244A
Cited
FR1135874A
Cited
US2800115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |