Patent US740655A successfully refreshed from Google Patents.
US740655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed-water heater.
Assignee: Individual
•
Filing: 1903-03-06
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Granted: 1903-10-06
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Expires: 1923-03-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Hornbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:50
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/0202; F28F9/0204; F28F9/0209; F28F9/0212
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) | 1906-10-05 | 1907-04-06 | 1907-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-10-05 | 1911-04-06 | 1911-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-10-05 | 1915-04-06 | 1915-10-06 | $7700.00 | Window Closed / Lapsed |