US4183603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extension cord lock
Assignee: Individual
•
Filing: 1978-06-09
•
Granted: 1980-01-15
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Expires: 1998-06-09
Abstract
Abstract A simple clip for firmly holding together an electric plug and socket on separate extension cords, and prevent accidental disengagement thereof, particularly when the cords are being pulled or moved; the clip being generally U-shaped and made of rubber or plastic with holes through each end for the cords to pass therethrough, while the connecting plug and socket are located between the U-shaped ends.
Inventors
- 👤 Robert Donarummo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:31
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/639; H01R13/6392
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A lock for a pair of interconnected extension cords, comprising in combination, a generally U-shaped body molded of a resilient material, and including a pair of parallel, opposite end legs and an intermediate leg therebetween, each said end leg having an opening therethrough for receiving an extension cord, said openings being axially aligned with each other, and a space between said end legs for containing interconnected plugs on ends of said extension cords; a generally U-shaped stiffening bar of metal being embedded inside said U-shaped body and extending longitudinally in all said legs; at least one said leg including a slit extending from an outer end thereof and through said opening so to form a pair of jaws for flexing apart so to insert said extention cord in said opening; and a detent along a portion of said slit between said hole and said leg outer end, said detent protruding from one said jaw and into a correspondingly shaped depression in the other said jaw so as to bridge across said slit when said jaws are closed.
Claim 2
Dependent Claim
177 words
A lock for a pair of interconnected extension cords, comprising in combination, a generally U-shaped body molded of a resilient material, and including a pair of parallel, opposite end legs and an intermediate leg therebetween, each said end leg having an opening therethrough for receiving an extension cord, said openings being axially aligned with each other, and a space between said end legs for containing interconnected plugs on ends of said extension cords; a generally U-shaped stiffening bar of metal being embedded inside said U-shaped body and extending longitudinally in all said legs; at least one said leg including a slit extending from an outer end thereof and through said opening so to form a pair of jaws for flexing apart so to insert said extention cord in said opening; and a detent along a portion of said slit between said hole and said leg outer end, said detent protruding from one said jaw and into a correspondingly shaped depression in the other said jaw so as to bridge across said slit when said jaws are closed.
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) | 1983-01-14 | 1983-07-16 | 1984-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-14 | 1987-07-16 | 1988-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-14 | 1991-07-16 | 1992-01-15 | $7700.00 | Window Closed / Lapsed |