Patent US4814748A successfully refreshed from Google Patents.
US3572265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic burner
Assignee: Enercon Systems Inc
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Filing: 1970-02-03
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Granted: 1971-03-23
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Expires: 1990-02-03
Abstract
Abstract THE METHOD OF AND APPARATUS FOR INCINERATING A MELTABLE PLASTIC MATERIAL BY MEANS OF FIRST REDUCING THE PLASTIC TO A LIQUID, HEATING THE LIQUID TO VAPORIZATION, AND THEN BURNING THE FUMES THAT ARE GIVEN OFF FROM THE SURFACE OF THE LIQUID BEFORE THEY MAY BE EXHAUSTED TO THE SURROUNDING ATMOSPHERE.
Inventors
- 👤 Richard F Stockman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:42
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |