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US1496005A
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Apparatus for controlling boiler water feed
Assignee: D E WHITON MACHINE CO
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Filing: 1918-05-14
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Granted: 1924-06-03
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Expires: 1938-05-14
Abstract
No abstract record available.
Inventors
- 👤 Henry B Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:38
CPC Classifications
F; F22; F22D; F22D5/00; F22D5/18; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1044
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) | 1927-06-03 | 1927-12-03 | 1928-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-06-03 | 1931-12-03 | 1932-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-06-03 | 1935-12-03 | 1936-06-03 | $7700.00 | Window Closed / Lapsed |