Patent US2762115A successfully refreshed from Google Patents.
US2762115A
Expired / Lapsed
US
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Protecting hot extruded metal
Assignee: American Brass Co
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Filing: 1952-01-29
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Granted: 1956-09-11
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Expires: 1972-01-29
Abstract
No abstract record available.
Inventors
- 👤 Newman V Gates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:51
CPC Classifications
B; B21; B21C; B21C35/00; B21C35/02; B21C23/00; B21C23/009; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE METHOD OF PROTECTING HOT EXTRUDED METAL SHAPES WHICH COMPRISES ESTABLISHING AN ALKYL BORATE VAPOR ATMOSPHERE, PASSING A HOT EXTRUDED SHAPE INTO SAID ATMOSPHERE IMMEDIATELY UPON ITS EMERGENCE FROM AN EXTRUSION DIE, AND MAINTAINING THE HOT EXTRUDED SHAPE IN SAID ATMOSPHERE UNTIL ITS SURFACE IS SUBSTANTIALLY COMPLETELY COVERED WITH AN ADHERING FLIM OF THE PRODUCT RESULTING FROM THERMAL DECOMPOSITION OF SAID VAPOR BY CONTACT
Claim 2
Independent Claim
64 words
THE METHOD OF PROTECTING HOT EXTRUDED METAL SHAPES WHICH COMPRISES ESTABLISHING AN ALKYL BORATE VAPOR ATMOSPHERE, PASSING A HOT EXTRUDED SHAPE INTO SAID ATMOSPHERE IMMEDIATELY UPON ITS EMERGENCE FROM AN EXTRUSION DIE, AND MAINTAINING THE HOT EXTRUDED SHAPE IN SAID ATMOSPHERE UNTIL ITS SURFACE IS SUBSTANTIALLY COMPLETELY COVERED WITH AN ADHERING FLIM OF THE PRODUCT RESULTING FROM THERMAL DECOMPOSITION OF SAID VAPOR BY CONTACT
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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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |