USD232639S - Teaching aid for demonstrating driven harmonic motion - Google Patents
Teaching aid for demonstrating driven harmonic motion Download PDFInfo
- Publication number
- USD232639S USD232639S US D232639 S USD232639 S US D232639S
- Authority
- US
- United States
- Prior art keywords
- demonstrating
- teaching aid
- harmonic motion
- driven harmonic
- driven
- Prior art date
Links
Images
Description
United States Patent ()fiice atented Sept. 3, 1974 TEACHING AID FOR DEMON RATING DRIVEN HARMONIC M 0N FIG. 1 is a front elevational view of a teaching aid for demonstrating driven harmonic motion showing my new design;
FIG. 2 is a side elevational view of the invention taken from the left side of FIG. 1;
FIG. 3 is a top plan elevational view of the invention;
FIG. 4 is a side elevational view taken from the right hand side of device shown in FIG. 1; and
FIG. 5 is a rear elevational iew of the invention shown in FIG. 1.
I claim:
The ornamental design for a teaching aid for demonstrating driven harmonic motion, as shown and described.
PAGE 2 References Cited UNITED STATES PATENTS 5/1973 Stephenson D251 R OTHER REFERENCES Cenco Cat. 1-300, recd Oct. 20, 1961, p. 650, upper left, harmonic motion spring.
MELVIN B. FEIFER, Primary Examiner
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT7825998A0 (en) | PROCEDURE FOR CREATING A FLEXIBLE, YIELDING CONTAINER THROUGH MOLDING AND THE CONTAINER SO OBTAINED. | |
| FR2492256B1 (en) | DENTAL MATERIAL BASED ON PLASTIC MATERIAL | |
| MA19364A1 (en) | NEW PREPARATION PRODUCT BASED ON AMINO-2 TRIFLUOROMETOXY -6 BENZOTHIAZOLE. | |
| BE836361A (en) | PLASTIC BOTTLE CONTAINER | |
| USD242779S (en) | Ultrasonic intrusion alarm | |
| USD244393S (en) | Waste container for radioactive material | |
| USD242778S (en) | Ultrasonic intrusion alarm | |
| USD232639S (en) | Teaching aid for demonstrating driven harmonic motion | |
| BE867208A (en) | PLASTIC MATERIAL PRESENT A GOOD COMPATIBILITY WITH BLOOD | |
| USD246123S (en) | Batting practice apparatus | |
| NL7613268A (en) | LAYERED PLASTIC HOSE FOR MEDICAL PURPOSES. | |
| USD248667S (en) | Hydrotherapeutic apparatus | |
| FR2353295A1 (en) | ANTIGLAUCOMATOUS OPHTHALMIC SOLUTION BASED ON A BUPRANOLOL | |
| USD249200S (en) | Athletic shoe | |
| USD247309S (en) | Plastic container for sterile liquid collection | |
| USD231550S (en) | Construction toy unit | |
| USD233338S (en) | Chemical demonstration apparatus | |
| USD226662S (en) | Educational device for demonstrating momentum | |
| USD247662S (en) | Record cleaning device | |
| USD242376S (en) | ||
| FR2348732A1 (en) | GRANULAR FILTERING MATERIAL FILTERING UNIT | |
| USD227280S (en) | Ci. d34x5 e e fig. i fig.z fig.j fig | |
| USD232031S (en) | Collision demonstration teaching aid | |
| USD247815S (en) | Microfilm copying apparatus | |
| USD247294S (en) | Can crusher |