Patent US2414629A successfully refreshed from Google Patents.
US2414629A
Expired / Lapsed
US
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Feed-water control and alarm for steam boilers
Assignee: Individual
•
Filing: 1943-07-08
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Granted: 1947-01-21
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Expires: 1963-07-08
Abstract
No abstract record available.
Inventors
- 👤 Albert G Bloss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:08
CPC Classifications
F; F22; F22B; F22B37/00; F22B37/02; F22B37/42; F22B37/425; F22D; F22D5/00; F22D5/08
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) | 1950-01-20 | 1950-07-22 | 1951-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-01-20 | 1954-07-22 | 1955-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-01-20 | 1958-07-22 | 1959-01-21 | $7700.00 | Window Closed / Lapsed |