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Patent US654774A successfully refreshed from Google Patents.
US654774A
Expired / Lapsed
US
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Combustion-furnace.
Assignee: Individual
•
Filing: 1899-08-19
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Granted: 1900-07-31
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Expires: 1919-08-19
Abstract
No abstract record available.
Inventors
- 👤 Wilfred Rothery Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:03
CPC Classifications
F; F23; F23H; F23H9/00; F23H9/08
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) | 1903-07-31 | 1904-01-30 | 1904-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-07-31 | 1908-01-30 | 1908-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-07-31 | 1912-01-30 | 1912-07-31 | $7700.00 | Window Closed / Lapsed |