US2977255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reclamation method
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1955-01-24
•
Granted: 1961-03-28
•
Expires: 1975-01-24
Abstract
No abstract record available.
Inventors
- 👤 John W Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:32
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/36; H01B15/00; H01B15/003; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/82; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49751; Y10T29/49755; Y10T29/49757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR CONTINUOUSLY REMOVING NON-METALLIC COMBUSTIBLE INSULATION FROM MASSES OF AN INSULATED LOW MELTING POINT METAL CONDUCTOR TO WHICH SAID INSULATION ADHERES FOR RECLAMATION OF THE METAL, COMPRISING THE STEPS OF IGNITING SAID INSULATION AND CONTINUOUSLY PASSING SAID MASSES OF CONDUCTOR THROUGH A COMBUSTION ZONE AND CONTROLLING THE RATE OF TRAVEL OF THE MASSES THROUGH SAID COMBUSTION ZONE AND THE TEMPERATURE OF COMBUSTION TO WHICH SAID MASSES ARE EXPOSED SUCH THAT SAID METAL CONDUCTOR PASSES THROUGH SAID COMBUSTION ZONE WITHOUT SUBSTANTIAL MELTING WHILE SAID INSULATION IS BURNED TO DESTRUCTION THEREIN AND IMPACTING THE RESIDUAL MATERIAL WITH A SURFACE TO SEPARATE THE BURNED INSULATION RESIDUE FROM THE METAL.
Claim 2
Dependent Claim
108 words
A PROCESS FOR CONTINUOUSLY REMOVING NON-METALLIC COMBUSTIBLE INSULATION FROM MASSES OF AN INSULATED LOW MELTING POINT METAL CONDUCTOR TO WHICH SAID INSULATION ADHERES FOR RECLAMATION OF THE METAL, COMPRISING THE STEPS OF IGNITING SAID INSULATION AND CONTINUOUSLY PASSING SAID MASSES OF CONDUCTOR THROUGH A COMBUSTION ZONE AND CONTROLLING THE RATE OF TRAVEL OF THE MASSES THROUGH SAID COMBUSTION ZONE AND THE TEMPERATURE OF COMBUSTION TO WHICH SAID MASSES ARE EXPOSED SUCH THAT SAID METAL CONDUCTOR PASSES THROUGH SAID COMBUSTION ZONE WITHOUT SUBSTANTIAL MELTING WHILE SAID INSULATION IS BURNED TO DESTRUCTION THEREIN AND IMPACTING THE RESIDUAL MATERIAL WITH A SURFACE TO SEPARATE THE BURNED INSULATION RESIDUE FROM THE METAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |