USD230297S - Tractor roll-over protection frame - Google Patents
Tractor roll-over protection frame Download PDFInfo
- Publication number
- USD230297S USD230297S US D230297 S USD230297 S US D230297S
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- US
- United States
- Prior art keywords
- protection frame
- over protection
- tractor roll
- tractor
- roll
- Prior art date
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v. ited States Patent O we if? 113:
230,297 TRACTOR ROLL-OVER PROTECTION FRAME William F. H. Purcell, New York, James M. Conner, Mamaroneck, and Charles W. Pelly, Scarsdale, N.Y., assignors to Deere & Company, Moline, Ill.
Filed Mar. 22, 1972, Ser. No. 237,227
Term of patent 14 years Int. Cl. D1209 U.S. Cl. D40-5 Des. 230,297
FIG.3
wil wi l References Cited UNITED STATES PATENTS 4/1972 Malm et al. D143 A OTHER REFERENCES Agricultural Machinery Journal, January 1972, p. 23, tractor, top left-hand side of page.
WALLACE R. BURKE, Primary Examiner J. M. GANDY, Assistant Examiner
Family
ID=
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