Safety thumb tack with retractable housing

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Description

FIG. 1 is a front elevational view of the safety thumb tack with retractable housing showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
302910 August 1884 Holmes
3146003 August 1964 DeRonde
3894467 July 1975 Brescia
Other references
  • Sterling Instrument, rounded thread, located at top of page, Jun. 1981. Sweets catalog, p. 2 rivet -item A located at left of page, Jan. 1969. Sweets catalog, p. FAS/st1, rivet-item A located at bottom of page, Jan. 1969. Sweets Catalog, p. 10, connecting thread-item A located at left of page, Jan. 1969. Sweets Catalog, p. 9, lug, item A located at left of page, Jan. 1969.
Patent History
Patent number: D420282
Type: Grant
Filed: Jul 11, 1997
Date of Patent: Feb 8, 2000
Inventor: David Jones (East Meadow, NY)
Primary Examiner: Holly Baynham
Application Number: 0/73,596
Classifications
Current U.S. Class: D/8391
International Classification: 0808;