Knob latch
Latest Southco, Inc. Patents:
FIG. 1 is a front perspective view of a knob latch showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a front perspective view of a second embodiment of a knob latch showing our new design;
FIG. 10 is a bottom perspective view thereof;
FIG. 11 is a left side elevational view thereof;
FIG. 12 is a right side elevational view thereof;
FIG. 13 is a front elevational view thereof;
FIG. 14 is a rear elevational view thereof;
FIG. 15 is a top plan view thereof;
FIG. 16 is a bottom plan view thereof;
FIG. 17 is a cross sectional view taken along lines i—i of FIG. 15;
FIG. 18 is a front perspective view of a third embodiment of a knob latch showing our new design;
FIG. 19 is a bottom perspective view thereof;
FIG. 20 is a left side elevational view thereof;
FIG. 21 is a right side elevational view thereof;
FIG. 22 is a front elevational view thereof;
FIG. 23 is a rear elevational view thereof;
FIG. 24 is a top plan view thereof;
FIG. 25 is a bottom plan view thereof;
FIG. 26 is a top perspective view of a fourth embodiment of a knob latch showing our new design
FIG. 27 is a bottom perspective view thereof;
FIG. 28 is a left side elevational view thereof;
FIG. 29 is a right side elevational view thereof;
FIG. 30 is a front elevational view thereof;
FIG. 31 is a rear elevational view thereof;
FIG. 32 is a top plan view thereof;
FIG. 33 is a bottom plan view thereof;
FIG. 34 is a cross sectional view taken along line i—I of FIG. 32;
FIG. 35 is a front perspective view of a fifth embodiment of a knob latch showing our new design;
FIG. 36 is a bottom perspective view thereof;
FIG. 37 is a left side elevational view thereof;
FIG. 38 is a right side elevational view thereof;
FIG. 39 is a front elevational view thereof;
FIG. 40 is a rear elevational view thereof;
FIG. 41 is a top plan view thereof;
FIG. 42 is a bottom plan view thereof;
FIG. 43 is a top perspective view of a sixth embodiment showing our new design;
FIG. 44 is a bottom perspective view thereof;
FIG. 45 is a left side elevational view thereof;
FIG. 46 is a right side elevational view thereof;
FIG. 47 is a front elevational view thereof;
FIG. 48 is a rear elevational view thereof;
FIG. 49 is a top plan view thereof;
FIG. 50 is a bottom plan view thereof; and,
FIG. 51 is a cross sectional view taken along i—i of FIG. 49.
Claims
The ornamental design for a knob latch, as shown and described.
3391419 | July 1968 | Thorne-Thomsen |
4114506 | September 19, 1978 | Aimar |
4556244 | December 3, 1985 | Bisbing |
4689976 | September 1, 1987 | Larsen |
D302243 | July 18, 1989 | Gonzalez |
D312769 | December 11, 1990 | Bisbing |
6113160 | September 5, 2000 | Johansson et al. |
6371313 | April 16, 2002 | Walter et al. |
6575503 | June 10, 2003 | Johansson et al. |
6640592 | November 4, 2003 | Vickers |
- Southco, Latches and Access Hardware Handbook 45 NA, pp. E-8, E-9, G16 and G17 (6 pages).
- EMKA, plastic quarter turn latch (1 page).
- EMKA, Wing Knob—program 1000 (1 page).
- DIRAK Modular Hardware System, Wing-Handle Zinc Die or PA and Wing-Handle for Padlock (1 page).
- DIRAK Modular Hardware Systems, Polyamide Quarter-Turn and Clip-in Quarter-Turn (1 page).
Type: Grant
Filed: Aug 26, 2004
Date of Patent: Jul 25, 2006
Assignee: Southco, Inc. (Concordville, PA)
Inventors: Glenn E. Anderson (Malvern, PA), Stephen K. Spatig (West Chester, PA), Michael R. Ienna (Rochester, NY), Richard S. Perriello (Rochester, NY)
Primary Examiner: Paula A. Greene
Attorney: Paul and Paul
Application Number: 29/212,101