US3261959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treatment of ore
Assignee: F H PEAVEY AND CO
•
Filing: 1962-02-20
•
Granted: 1966-07-19
•
Expires: 1982-02-20
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Connell
- 👤 Lowell A Moe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:36
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C21; C21B; C21B13/00; C21B13/08; C22B1/14; Y; Y10; Y10S; Y10S159/00; Y10S159/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN APPARATUS FOR TREATING ORE, MEANS FOR SUPPORTING GROUND ORE IN A TREATMENT REGION, A MICROWAVE GENERATOR AT ONE END OF SAID REGION, AND DIVERGENTLY TAPERED WAVE GUIDE MEANS FOR TRANSMITTING MICROWAVE ENERGY FROM SAID GENERATOR LONGITUDINALLY THROUGH SAID REGION TO CAUSE INTERNAL HEATING OF ORE IN SAID REGION BY MAXIMUM ABSORPTION OF ENERGY WITHIN THE ORE, SAID WAVE GUIDE MEANS BEING COINCIDENT WITH THE TREATMENT REGION OVER A DISTANCE GREATER THAN ONE-HALF WAVE LENGTH OF THE MICROWAVE ENERGY.
Claim 2
Dependent Claim
79 words
IN APPARATUS FOR TREATING ORE, MEANS FOR SUPPORTING GROUND ORE IN A TREATMENT REGION, A MICROWAVE GENERATOR AT ONE END OF SAID REGION, AND DIVERGENTLY TAPERED WAVE GUIDE MEANS FOR TRANSMITTING MICROWAVE ENERGY FROM SAID GENERATOR LONGITUDINALLY THROUGH SAID REGION TO CAUSE INTERNAL HEATING OF ORE IN SAID REGION BY MAXIMUM ABSORPTION OF ENERGY WITHIN THE ORE, SAID WAVE GUIDE MEANS BEING COINCIDENT WITH THE TREATMENT REGION OVER A DISTANCE GREATER THAN ONE-HALF WAVE LENGTH OF THE MICROWAVE ENERGY.
References Cited (Backward Citations)
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US2603741A
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US2602134A
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US2585970A
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US3171009A
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US3166663A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |