US3640559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Security device for sliding windows and doors
Assignee: Individual
•
Filing: 1970-02-16
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Granted: 1972-02-08
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Expires: 1990-02-16
Abstract
Abstract An elongated arcuate bar about 2 to 5 inches in length is provided along its bottom edge with at least one pair of transverse, spaced, parallel slots aligned on a chord of a segment of the arc to fit over one of the vertical walls of a track carrying a sliding window or door. A portion of the bar spanning the slots projects into the track into interfering relation with the adjacent corner of the window or door and prevents further movement in the direction of the stop. Clip members on top of the window or door preclude lifting movement of the window or door and removal thereof from the track.
Inventors
- 👤 James M Royer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:12
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/60; E05D; E05D13/00; E05D13/04; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/224; E05Y2600/00; E05Y2600/50; E05Y2600/52; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/34
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
197 words
A security device for a window or door slidably mounted in an upper track and a lower track, each of said tracks including a horizontal portion and a spaced pair of sidewalls extending vertically from the lateral side edges of the horizontal portion, said security device comprising: a. an elongated bent strip of material including an upper edge, a lower edge, an inner sidewall and an outer sidewall, said lower edge being interrupted by at least one pair of aligned openings dimensioned to fit snugly on one of said vertical sidewalls of said lower track with a portion of said strip protruding into said lower track for interference with a sliding door or window in said lower track; and, b. a clip member interposed between the top of the sliding door or window and said upper track, said clip member having substantially an inverted U-shape configuration with a horizontal portion and a pair of depending flanges embracing the top of the door or window, at least one of said flanges including a projecting portion underlying the adjacent one of said vertical sidewalls of said upper track for interference therewith as said door or window is lifted vertically.
Claim 2
Dependent Claim
197 words
A security device for a window or door slidably mounted in an upper track and a lower track, each of said tracks including a horizontal portion and a spaced pair of sidewalls extending vertically from the lateral side edges of the horizontal portion, said security device comprising: a. an elongated bent strip of material including an upper edge, a lower edge, an inner sidewall and an outer sidewall, said lower edge being interrupted by at least one pair of aligned openings dimensioned to fit snugly on one of said vertical sidewalls of said lower track with a portion of said strip protruding into said lower track for interference with a sliding door or window in said lower track; and, b. a clip member interposed between the top of the sliding door or window and said upper track, said clip member having substantially an inverted U-shape configuration with a horizontal portion and a pair of depending flanges embracing the top of the door or window, at least one of said flanges including a projecting portion underlying the adjacent one of said vertical sidewalls of said upper track for interference therewith as said door or window is lifted vertically.
Claim 3
Dependent Claim
43 words
A security device for a sliding window or door as in claim 1 wherein said bent strip is comb shaped in elevation and includes along said lower edge a plurality of pairs of aligned openings capable of fitting a variety of track sizes.
Claim 4
Dependent Claim
24 words
A security device as in claim 2 wherein said bent strip is curvilinear, said outer sidewall being convex and said inner wall being concave.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |