Patent US2693776A successfully refreshed from Google Patents.
US2693776A
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Method and apparatus for handling ashes
Assignee: Allen Sherman Hoff Co
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Filing: 1947-11-04
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Granted: 1954-11-09
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Expires: 1967-11-04
Abstract
No abstract record available.
Inventors
- 👤 Mylting Lauritz Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:17
CPC Classifications
F; F23; F23J; F23J1/00; F23J2700/00; F23J2700/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR419476A
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DE346130C
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US1894267A
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US1843273A
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US1843274A
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GB337159A
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US1977181A
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US1957583A
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US1990446A
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US2163148A
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US2280944A
Cited
US2275652A
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US2379998A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |