US592703A - Sachusetts - Google Patents
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- Publication number
- US592703A US592703A US592703DA US592703A US 592703 A US592703 A US 592703A US 592703D A US592703D A US 592703DA US 592703 A US592703 A US 592703A
- Authority
- US
- United States
- Prior art keywords
- gray
- conductor
- sachusetts
- metal
- gorham
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/20—Permanent superconducting devices
Definitions
- FIGJ. 1 A first figure.
- Figure -1 is a longitudinalV elevation of the conductor with part in section.
- Fig. 2 is a transverse section of the same on the line 2 2 Yof Fig. 1, ⁇ and,Fig. 3 is a similar view of the same on the line 3 3 of Fig. 1.
- the conductor is made of a piece of 'metal formedwith'a series of longitudinal grooves A and a series of transversely-extending grooves B, thus leaving a cOreC, of hard metal,
Description
G. GRAY. ELECTRIC GoNDUoToR.
NO. 592,703. Patented-Oct. 26,1897.
FIGJ.
UNITED STATES PATENT OFFICE. D
GORHAM GRAY, OF BOSTON, MASSACHUSETTS, ASSIGNOR OF ONE-HALF TO JOSEPH M. DOVVNEY AND WILLIAM J'. DOWNEY, OF HYDE PARK, MAS- SACHUSETTS.
ELI-:cil-Rlc:v CONDUCTOR.
SPEGIFIOATION forming part of Letters Patent No. 592,903, dated october 26, 18er'. Application nea December 4,1896. sel-n1 No. 614,455. (No man.)
To all whom it may concern.: i
Be it known that I, GORHAM' GRAY, of Bos# ton, in the county of Suolkand State of Massachusetts, have invented certain new and useful Improvements in Electric Conductors, of Whichlthe following is a full', clear, and exact description.
This invention will be lfully described hereinafter and embodied in the claim.
Reference is to be had to the accompanying drawings, forming a part ofv this specification, in which similar characters of reference indiparts inl all the figures. Figure -1 is a longitudinalV elevation of the conductor with part in section. Fig. 2 is a transverse section of the same on the line 2 2 Yof Fig. 1,`and,Fig. 3 is a similar view of the same on the line 3 3 of Fig. 1.
The conductor is made of a piece of 'metal formedwith'a series of longitudinal grooves A and a series of transversely-extending grooves B, thus leaving a cOreC, of hard metal,
andprojcctions D, of softer metal, thegsaid Having thus fully described my invention,
I claim as new and desire to secure by Letters Patent- A conductor having a continuous core and an outer portion divided by longitudinally and annularly extending grooves, the core.
being of material harder than that Of the outer portion, substantially as described.
GOEHAM GRAY. Witnesses: A HARRIETTE W. GEAY,
JOHN E. ABBOTT, 1
JOSEPH M. DOWNEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US592703A true US592703A (en) | 1897-10-26 |
Family
ID=2661357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US592703D Expired - Lifetime US592703A (en) | Sachusetts |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US592703A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3114825A (en) * | 1961-01-30 | 1963-12-17 | Gen Electric | Electric heating pad |
| US3293076A (en) * | 1962-04-17 | 1966-12-20 | Nat Res Corp | Process of forming a superconductor |
| US6753479B2 (en) * | 2000-03-17 | 2004-06-22 | Nippon Steel Corporation | Plated metal wire and method and apparatus for producing the same |
-
0
- US US592703D patent/US592703A/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3114825A (en) * | 1961-01-30 | 1963-12-17 | Gen Electric | Electric heating pad |
| US3293076A (en) * | 1962-04-17 | 1966-12-20 | Nat Res Corp | Process of forming a superconductor |
| US6753479B2 (en) * | 2000-03-17 | 2004-06-22 | Nippon Steel Corporation | Plated metal wire and method and apparatus for producing the same |
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