US3376202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste converter
Assignee: Pacific Scientific Co
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Filing: 1964-10-08
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Granted: 1968-04-02
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Harold E Mescher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:33
CPC Classifications
C; C10; C10B; C10B53/00; C10B53/02; F; F23; F23G; F23G5/00; F23G5/02; F23G5/027; F23G5/0273; Y; Y02; Y02E; Y02E50/00; Y02E50/10; Y10; Y10S; Y10S423/00; Y10S423/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A MATERIAL CONVERTER FOR CONTINUOUSLY PRODUCING CHARCOAL AND GAS PRODUCTS, COMPRISING A CASING CONTAINING A HEATED ROTATABLE RETOR, MEANS FOR SUPPLYING RAW MATERIAL SUCH AS WOOD CHIPS, PAPER, GRAIN HULLS, ETC., TO SAID RETORT AND REMOVING CHARCOAL MATERIAL THEREFROM, MEANS FOR SEALING SAID RETOR, CONDUIT MEANS PROVIDED WITHIN SAID RETORT AND EXTENDING EXTERIORLY THEREOF FOR CONDUCTING COMBUSTIBLE GASES THEREFROM, THE DRIER PORTION OF SAID GASES BEING USED FOR HEATING SAID RETORT, SAID CONVERTER HAVING VALVE MEANS CONNECTED IN SAID CONDUIT MEANS FOR CONTROLLING THE FLOW OF SAID GASES THROUGH SAID CONDUIT MEANS, CONTROL MEANS COMMUNICATING WITH THE INTERIOR OF SAID RETORT AND CONNECTED TO SAID VALVE MEANS FOR CONTROLLING THE LATTER, WHEREBY THE GAS PRESSURE WITHIN SAID RETORT IS RETAINED SUBSTANTIALLY AT ATMOSPHERIC PRESSURE DURING OPERATION, A FLARE STACK ADJACENT SAID RETORT CONNECTED FOR RECEIVING GAS THERFROM, AND MEANS FOR IGNITING THE GAS IN SAID FLANGE STACK, SAID CONTROL MEANS COMPRISING A TEMPERATURE SENSITIVE ELEMENT WITHIN SAID FLARE STACK CONNECTED FOR CONTROLLING THE OPERATION OF SAID VALVE MEANS.
Claim 2
Dependent Claim
168 words
A MATERIAL CONVERTER FOR CONTINUOUSLY PRODUCING CHARCOAL AND GAS PRODUCTS, COMPRISING A CASING CONTAINING A HEATED ROTATABLE RETOR, MEANS FOR SUPPLYING RAW MATERIAL SUCH AS WOOD CHIPS, PAPER, GRAIN HULLS, ETC., TO SAID RETORT AND REMOVING CHARCOAL MATERIAL THEREFROM, MEANS FOR SEALING SAID RETOR, CONDUIT MEANS PROVIDED WITHIN SAID RETORT AND EXTENDING EXTERIORLY THEREOF FOR CONDUCTING COMBUSTIBLE GASES THEREFROM, THE DRIER PORTION OF SAID GASES BEING USED FOR HEATING SAID RETORT, SAID CONVERTER HAVING VALVE MEANS CONNECTED IN SAID CONDUIT MEANS FOR CONTROLLING THE FLOW OF SAID GASES THROUGH SAID CONDUIT MEANS, CONTROL MEANS COMMUNICATING WITH THE INTERIOR OF SAID RETORT AND CONNECTED TO SAID VALVE MEANS FOR CONTROLLING THE LATTER, WHEREBY THE GAS PRESSURE WITHIN SAID RETORT IS RETAINED SUBSTANTIALLY AT ATMOSPHERIC PRESSURE DURING OPERATION, A FLARE STACK ADJACENT SAID RETORT CONNECTED FOR RECEIVING GAS THERFROM, AND MEANS FOR IGNITING THE GAS IN SAID FLANGE STACK, SAID CONTROL MEANS COMPRISING A TEMPERATURE SENSITIVE ELEMENT WITHIN SAID FLARE STACK CONNECTED FOR CONTROLLING THE OPERATION OF SAID VALVE MEANS.
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) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |