US2685853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace ash conveyer and disposal mechanism
Assignee: Individual
•
Filing: 1949-08-25
•
Granted: 1954-08-10
•
Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 Albert M Schlick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:09
CPC Classifications
F; F23; F23J; F23J1/00; F23J1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US985480A
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US1476260A
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US1714116A
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US2069940A
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US1883578A
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US1988473A
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US2124317A
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US2121229A
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US2367558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |