US3040719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor generating and superheating systems
Assignee: Elsag Bailey Inc
•
Filing: 1952-04-21
•
Granted: 1962-06-26
•
Expires: 1972-04-21
Abstract
No abstract record available.
Inventors
- 👤 Paul S Dickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 21:10
CPC Classifications
F; F22; F22G; F22G1/00; F22G1/16; F22B; F22B35/00; F22B35/002; F22G5/00; F22G5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2663287A
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US2737930A
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US2730080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |