US3027854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for thermal destruction of waste materials
Assignee: Individual
•
Filing: 1957-11-14
•
Granted: 1962-04-03
•
Expires: 1977-11-14
Abstract
No abstract record available.
Inventors
- 👤 Fred E Akerlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:46
CPC Classifications
F; F23; F23B; F23B1/00; C; C10; C10B; C10B7/00; C10B7/10; F23G; F23G5/00; F23G5/02; F23G5/027; F23G5/0276; F23J; F23J15/00; F23B2700/00; F23B2700/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US652670A
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US847676A
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US2116573A
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US2274780A
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US2577659A
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US2677235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |