Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD179748 S
Publication typeGrant
Publication dateFeb 19, 1957
Filing dateDec 30, 1955
Publication numberUS D179748 S, US D179748S, US-S-D179748, USD179748 S, USD179748S
InventorsCharles W. Tunstead
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Boarding ladder
US D179748 S
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)

Des. 179,748

O Patented Feb. 19, 1957 BOARDING LADDER Charles W. Tunstead, Minneapolis, Minn.

Application December 30, 1955, Serial No. 39,539

Term of patent 14 years (Cl. D15-8) Figure 1 is a front erspective view of a boarding ladder, References Cited in the file of this patent ir 2 new deslgn; and UNITED STATES PATENTS 1 ure is a rear ers ectiv v'ew fth l lai p p e 1 o 8 same D. 176,238 Wallace et a1. Nov. 29, 1955 The ornamental design for a boarding ladder, substantially as shown. OTHER REFERENCES Boats, November 1953, inside rear cover, left center of page.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2896831 *May 12, 1958Jul 28, 1959Quik N Easy Products LtdBoarding ladder
US3056466 *Aug 7, 1961Oct 2, 1962Wall Jr Tom DStand-off for boarding ladder
US3078955 *Dec 30, 1960Feb 26, 1963Leatherwood Mfg Company IncLadder construction