Patent US810530A successfully refreshed from Google Patents.
Patent US2900708A successfully refreshed from Google Patents.
US2900708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing alloy and bimetallic filaments
Assignee: Marvalaud Inc
•
Filing: 1956-02-16
•
Granted: 1959-08-25
•
Expires: 1976-02-16
Abstract
No abstract record available.
Inventors
- 👤 Robert B Pond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:56
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/01; B22; B22D; B22D11/00; B22D11/005; B29; B29C; B29C48/00; B29C48/03; B29C48/05; B29C48/16; B29C48/18; B29C48/19; Y; Y10; Y10S; Y10S425/00; Y10S425/217; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12431; Y10T428/12438; Y10T428/12458
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
AN ARTICLE OF MANUFACTURE COMPRISING A CAST METALLIC ANISTROPIC FILAMENT FORMED OF AT LEAST TWO METALS SUBSTANTIALLY SIMULTANEOUSLY SOLIDIGIED WHEREIN THE COMPOSITION VARIES CONTINUOUSLY AND PROGESSIVELY THROUGHOUT THE TRANSVERSE DIRECTION OF THE FILAMENT FROM SUBSTANTALLY 100% OF ONE METAL ON ONE SIDE OF THE FILAMENT TO SUBSTANTIALLY 100% OF THE OTHER METAL ON THE OTHER SIDE OF THE FILAMENT.
Claim 2
Dependent Claim
59 words
AN ARTICLE OF MANUFACTURE COMPRISING A CAST METALLIC ANISTROPIC FILAMENT FORMED OF AT LEAST TWO METALS SUBSTANTIALLY SIMULTANEOUSLY SOLIDIGIED WHEREIN THE COMPOSITION VARIES CONTINUOUSLY AND PROGESSIVELY THROUGHOUT THE TRANSVERSE DIRECTION OF THE FILAMENT FROM SUBSTANTALLY 100% OF ONE METAL ON ONE SIDE OF THE FILAMENT TO SUBSTANTIALLY 100% OF THE OTHER METAL ON THE OTHER SIDE OF THE FILAMENT.
Claim 3
Independent Claim
106 words
THE METHOD FOR PRODUCING FILAMENTS FORMED OF AT LEAST TWO METALS WHICH COMPRISES BRINGING THE METALS IN A MOLTEN STATE TOGETHER TO FORM A CONTINUOUS SINGLE STREAM OF MOLTEN METAL, IMPINGING THE CONTINUOUS SINGLE STREAM OF MOLTEN METAL AGAINST A CONCAVE CHILL SURFACE, ROTATING THE CONCAVE CHILL SURFACE ON AN AXIS COINCIDENT WITH THE CENTER OF CONCAVITY OF THE SURFACE SO THAT THE SURFACE MOVES RELATIVE TO THE STREAM OF METAL AS IT IMPINGES UPON THE MOVING SURFACE, SOLIDIFYING THE STREAM OF MOLTEN METAL ON THE CHILL SURFACE SO AS TO FORM A FILAMENT HAVING A COMPOSITION VARYING CONTINUOUSLY AND PROGRESSIVELY THROUGHOUT THE TRASVERSE DIRECTION THEREOF
Claim 4
Independent Claim
106 words
THE METHOD FOR PRODUCING FILAMENTS FORMED OF AT LEAST TWO METALS WHICH COMPRISES BRINGING THE METALS IN A MOLTEN STATE TOGETHER TO FORM A CONTINUOUS SINGLE STREAM OF MOLTEN METAL, IMPINGING THE CONTINUOUS SINGLE STREAM OF MOLTEN METAL AGAINST A CONCAVE CHILL SURFACE, ROTATING THE CONCAVE CHILL SURFACE ON AN AXIS COINCIDENT WITH THE CENTER OF CONCAVITY OF THE SURFACE SO THAT THE SURFACE MOVES RELATIVE TO THE STREAM OF METAL AS IT IMPINGES UPON THE MOVING SURFACE, SOLIDIFYING THE STREAM OF MOLTEN METAL ON THE CHILL SURFACE SO AS TO FORM A FILAMENT HAVING A COMPOSITION VARYING CONTINUOUSLY AND PROGRESSIVELY THROUGHOUT THE TRASVERSE DIRECTION THEREOF
References Cited (Backward Citations)
DE46293C
Cited
US87862A
Cited
US279346A
Cited
US745786A
Cited
US989075A
Cited
US1192467A
Cited
US2129703A
Cited
US2128941A
Cited
US2181987A
Cited
DE844806C
Cited
US2611163A
Cited
US2543936A
Cited
US2569150A
Cited
US2598344A
Cited
US2586046A
Cited
US2683676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-24 | 1963-02-23 | 1963-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-24 | 1967-02-23 | 1967-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-24 | 1971-02-23 | 1971-08-25 | $7700.00 | Window Closed / Lapsed |