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 numberUS595607 A
Publication typeGrant
Publication dateDec 14, 1897
Publication numberUS 595607 A, US 595607A, US-A-595607, US595607 A, US595607A
InventorsFrederick Coykendall
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Frederick coykendall
US 595607 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)


N0. 595,607. tented Deo. 14,1897.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2442136 *Jan 17, 1944May 25, 1948Luther Aloysius BMagnetic chuck adapter
US2524098 *Dec 14, 1945Oct 3, 1950Christenson Nils HAttachment unit for acetylene torches
US2563309 *Sep 20, 1948Aug 7, 1951Collins Sr JesseBlackboard compass
US2655727 *Oct 18, 1950Oct 20, 1953Ciriaco MontanoLocking pen and pencil compass and divider
US2809437 *Apr 22, 1954Oct 15, 1957Kuzma Thomas PReplaceable scriber point
US2981001 *Aug 6, 1959Apr 25, 1961Schnell Carl TBlackboard compass
US3787980 *Sep 22, 1971Jan 29, 1974Staedtler J SCompasses with releasable points
US5542185 *Apr 15, 1994Aug 6, 1996Fiskars Inc.Device for describing arcs
US5555630 *Sep 8, 1993Sep 17, 1996De Souza; Etienne N.Compass with safety pivot
US6886263 *Mar 25, 2002May 3, 2005Hsien-Chung ChouAuxiliary drafting instrument combination applicable to digital board
Cooperative ClassificationB43L9/02