US3457883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incinerators and methods of incineration
Assignee: Individual
•
Filing: 1967-05-08
•
Granted: 1969-07-29
•
Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Borge Richard Ankersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:56
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/32; F23G5/08; F23G5/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |