USD239108S - - Google Patents
Download PDFInfo
- Publication number
- USD239108S USD239108S US D239108 S USD239108 S US D239108S
- Authority
- US
- United States
- Prior art keywords
- board
- educational board
- rlc circuits
- front perspective
- educational
- Prior art date
Links
- 241000282326 Felis catus Species 0.000 description 1
Images
Description
United Statos Patent atenteffgfiffififi RLC CIRCUITS EDUCATIONAL BOARD Douglas C. Covert, Royal Oak, Mich.. assignor t0 Xerox Corporation, Stamford, Conn.
Filed May 30, 1974, Scr. No. 474,493
Term of patent 14 years Des. 239,108
FIG. 1 is a top right front perspective view of a RLC circuits educational board showing my new design; and
FIG. 2 is a bottom left front perspective view thereof.
The rear of the educational board not shown is plain and unornamented.
I claim:
The ornamental design of an RLC circuits educational board, substantially as shown.
Page 2 of 2 References Cited UNITED STATES PATENTS 3,845,573 11/1974 Kasamatsu 35-19A 3,546,793 12/1970 Roelofs 35-19 A 3,008,245 11/1961 Meuche 35l9 A 2,826,628 3/1958 Kruse 3519 A OTHER REFERENCES "RCA Electronic Trainers, cat. recd July 16, 1958, p. 6, board at bottom right.
NELSON C. HOLTJE, Primary Examiner
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| USD256028S (en) | Case for an electronic learning aid, game or similar apparatus | |
| USD249996S (en) | Electronic cooking range | |
| USD274916S (en) | House book | |
| USD251052S (en) | Electronic cooking range | |
| USD262623S (en) | Electronic translator | |
| USD269442S (en) | Electronic translator | |
| Rowell | Aristoxenus on rhythm | |
| USD239108S (en) | ||
| USD249521S (en) | Electronic copier | |
| USD287503S (en) | Electrophotographic copier | |
| USD239109S (en) | ||
| USD245911S (en) | Electrophotographic machine or the like | |
| USD251595S (en) | Electronic copier | |
| USD251594S (en) | Electronic copier | |
| USD250030S (en) | Electrostatic copier | |
| USD239110S (en) | ||
| USD265315S (en) | Keyboard console | |
| USD240618S (en) | ||
| USD266706S (en) | Electronic static eliminator | |
| USD252026S (en) | Electronic processor | |
| Smith et al. | The marine life refuges and reserves of California | |
| Herdendorf et al. | Lake Erie and the Erie Islands | |
| USD240374S (en) | ||
| USD239107S (en) | ||
| USD241447S (en) |