US4723822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety utility extension cord
Assignee: Individual
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Filing: 1986-09-11
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Granted: 1988-02-09
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Expires: 2006-09-11
Abstract
Abstract A safety extension cord for use with power garden equipment to prevent accidental cutting of the cord. The safety extension cord has an adjustable enlarged diameter section adjacent one end and a retaining clip to secure the cord to the power garden equipment for preventing accidental disconnection.
Inventors
- 👤 Louis A. Merdic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:43
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/639; H01B; H01B7/00; H01B7/17; H01B7/18; H01B7/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
102 words
An improvement to a power extension cord for use with portable power equipment, said cord comprises at least a pair of conductive wires, a non-conductive outer body, a male plug end, and a female plug end interconnected to said conductive wires, said improvement comprising a protection sheath assembly of a diameter greater than that of said power extension cord, said sheath assembly comprising an elongated synthetic body member freely rotatable on said power extension cord and means for adjustably securing said elongated synthetic body member on said power extension cord, and means for retaining said female plug end to said power equipment.
Claim 2
Dependent Claim
102 words
An improvement to a power extension cord for use with portable power equipment, said cord comprises at least a pair of conductive wires, a non-conductive outer body, a male plug end, and a female plug end interconnected to said conductive wires, said improvement comprising a protection sheath assembly of a diameter greater than that of said power extension cord, said sheath assembly comprising an elongated synthetic body member freely rotatable on said power extension cord and means for adjustably securing said elongated synthetic body member on said power extension cord, and means for retaining said female plug end to said power equipment.
Claim 3
Dependent Claim
43 words
The improvement to a power extension cord of claim 1 wherein said means for adjustably securing said elongated synthetic body member comprises sheath blocks including tapered-ended, apertured, cylindrical members with a plurality of internal ribs transversely positioned within said tapered-ended, apertured, cylindrical members.
Claim 4
Dependent Claim
34 words
The improvement to a power extension cord of claim 1 wherein said means for retaining said female plug end to said power equipment comprises a retention clip having interconnected outwardly extending, oppositely disposed arms.
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) | 1991-02-08 | 1991-08-10 | 1992-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-08 | 1995-08-10 | 1996-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-08 | 1999-08-10 | 2000-02-09 | $7700.00 | Window Closed / Lapsed |