Patent US225013A successfully refreshed from Google Patents.
Patent US3027854A successfully refreshed from Google Patents.
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 08:43
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US572258A
Cited
US652670A
Cited
US847676A
Cited
US1491894A
Cited
US2045115A
Cited
US2116573A
Cited
US2043459A
Cited
US2184248A
Cited
US2274780A
Cited
US2577659A
Cited
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 |