US3465696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open pit vortex incineration arrangement
Assignee: Individual
•
Filing: 1968-02-26
•
Granted: 1969-09-09
•
Expires: 1988-02-26
Abstract
No abstract record available.
Inventors
- 👤 Howard R Amundsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:50
CPC Classifications
F; F23; F23G; F23G5/00; F23G5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US562845A
Cited
US1995723A
Cited
US2752869A
Cited
US3101683A
Cited
US3330231A
Cited
US3357380A
Cited
US3395655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |