US3484189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for thermal incineration of a contaminated air stream
Assignee: Universal Oil Products Co
•
Filing: 1966-07-14
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Granted: 1969-12-16
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Expires: 1986-07-14
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Hardison
- 👤 William L Hable
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:52
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/061; F23G7/065; F23G7/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2084167A
Cited
US3311456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-15 | 1973-06-16 | 1973-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-15 | 1977-06-16 | 1977-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-15 | 1981-06-16 | 1981-12-16 | $7700.00 | Window Closed / Lapsed |