Captive screw
Description
FIG. 1 is a top plan view of one embodiment of a captive screw embodying my design;
FIG. 2 is a front elevational view thereof; and,
FIG. 3 is a bottom plan view thereof.
Claims
The ornamental design for a captive screw, as shown.
Referenced Cited
U.S. Patent Documents
Other references
3052942 | September 1962 | Mulvaney |
3180389 | April 1965 | Frank |
3195600 | July 1965 | Middleton, Jr. |
3279302 | October 1966 | Modrey |
4952107 | August 28, 1990 | Dupree |
4975007 | December 4, 1990 | Molina |
- Penn Engineering & Manufacturing Corp., “Snap-Top Standoffs”, Pem Bulletin SSA-988, (Danboro, PA), 1985 & 1987.
- Penn Engineering & Manufacturing Corp., “Fasteners For Use In Or With PC Boards”, Pem Bulletin K-488, (Danboro, PA), 1986.
- Camloc Fasteners “Captive Screws”, Catalog No. 3800, pp. C1-C11, C18-27, (Hasbrouck Heights, NJ), 1986.
- Accurate Screws Machine Co. Catalog, p. 19, (Nutley, NJ), 1989.
- Microplastics, Inc., Standard Parts Catalog, pp. 1-16, (Flippin, AR), 1991.
- Microplastics, Inc., Microplastics Brochure, “Polycarbonate Fasteners” (Flippin, AR), 1991.
- Southco, Inc., Southco Fasteners Handbook 43, pp. C1-C11, C18-C27, (Pennsylvania 1993), also in previous catalogs.
- Penn Engineering & Manufacturing Corp., “Snap-Top Standoffs”, Pem Bulletin SSA-988, (Danboro, PA).
- Penn Engineering & Manufacturing Corp., “Fasteners For Use In Or With PC Boards”, Pem Bulletin K-488, (Danboro, PA).
- Camloc Fasteners “Captive Screws”, Catalog No. 3800, pp. C1-C11, C18-27, (Hasbrouck Heights, NJ).
- Accurate Screw Machine Co. Catalog, p. 19, (Nutley, NJ).
- Microplastics, Inc., Standard Parts Catalog, pp. 1-16, (Flippin, AR).
- Microplastics, Inc., Microplastics Brochure, “Polycarbonate Fasteners” (Flippin, AR).
- Southco, Inc., Southco Fasteners Handbook 43, pp. C1-C11, C18-C27, (Pennsylvania 1993).
Patent History
Patent number: D501396
Type: Grant
Filed: Oct 13, 1993
Date of Patent: Feb 1, 2005
Assignee: Southco, Inc. (Concordville, PA)
Inventor: Albert J. Frattarola (Swarthmore, PA)
Primary Examiner: Philip S. Hyder
Attorney: Paul & Paul
Application Number: 29/014,141
Type: Grant
Filed: Oct 13, 1993
Date of Patent: Feb 1, 2005
Assignee: Southco, Inc. (Concordville, PA)
Inventor: Albert J. Frattarola (Swarthmore, PA)
Primary Examiner: Philip S. Hyder
Attorney: Paul & Paul
Application Number: 29/014,141
Classifications
Current U.S. Class:
D8/387