Dropbolt lock
Latest Medeco Security Locks, Inc. Patents:
Description
FIG. 1 is a top, front, and right side perspective view of a dropbolt lock showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof; and
FIG. 6 is a top plan view thereof, the bottom being a mirror image of that shown.
Referenced Cited
U.S. Patent Documents
Other references
D50286 | February 1917 | Segal |
D242840 | December 28, 1976 | Schmidt |
D285772 | September 23, 1986 | Oliver |
D297109 | August 9, 1988 | Christie |
3760619 | September 1973 | Colombo |
4067212 | January 10, 1978 | Vorob |
- Yale Europa Brochure, date unknown, but prior to 1986. The New England Lock and Hardware Co., catalogue page, date unknown (prior to 1966).
Patent History
Patent number: D324480
Type: Grant
Filed: Mar 22, 1990
Date of Patent: Mar 10, 1992
Assignee: Medeco Security Locks, Inc. (Salem, VA)
Inventors: Stevie C. Roop (Dugspur, VA), Peter H. Field (Salem, VA)
Primary Examiner: Brian N. Vinson
Law Firm: Rothwell, Figg, Ernst & Kurz
Application Number: 7/498,144
Type: Grant
Filed: Mar 22, 1990
Date of Patent: Mar 10, 1992
Assignee: Medeco Security Locks, Inc. (Salem, VA)
Inventors: Stevie C. Roop (Dugspur, VA), Peter H. Field (Salem, VA)
Primary Examiner: Brian N. Vinson
Law Firm: Rothwell, Figg, Ernst & Kurz
Application Number: 7/498,144
Classifications
Current U.S. Class:
D/8341