US3046915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace for the combustion of domestic refuse and other inferior-grade fuels
Assignee: L VON ROLL AG
•
Filing: 1953-04-01
•
Granted: 1962-07-31
•
Expires: 1973-04-01
Abstract
No abstract record available.
Inventors
- 👤 Ludin Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:50
CPC Classifications
F; F23; F23J; F23J1/00; F23J1/02; F23G; F23G5/00; F23G5/08; F23G5/14; F23G5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1772285A
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US1914746A
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US2269273A
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US2577659A
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US2589836A
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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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |