US4493523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adaptive strain relief for wiring devices
Assignee: LIBERTY LIGHTING Co Inc A CORP OF
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Filing: 1983-10-18
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Granted: 1985-01-15
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Expires: 2003-10-18
Abstract
Abstract A wiring device has an entry hole through which an electric cord may be passed. The device has a serrated corner positioned opposite the entry hole and a flexible finger near the entry hole. An electric cord inserted in the entry hole is locked between the finger and the serrated corner.
Inventors
- 👤 Henry Leong
- 👤 John Fiumefreddo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:13
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/58; H01R13/582; H01R13/46; H01R13/50; H01R13/501; H01R13/56; H01R4/00; H01R4/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A wiring device for terminating electrical cords comprised of: a first segment; a second segment pivotally arranged with said first segment and having an entry hole for receiving an end of an electric cord; a serrated corner arranged on said first segment to be opposite said entry hole when said segments are in a closed position; a flexible finger arranged on said second segment in proximity to said entry hole so that an electric cord inserted in said entry hole is locked between said finger and said serrated corner when said segments are in a closed position, thereby providing strain relief.
Claim 2
Dependent Claim
101 words
A wiring device for terminating electrical cords comprised of: a first segment; a second segment pivotally arranged with said first segment and having an entry hole for receiving an end of an electric cord; a serrated corner arranged on said first segment to be opposite said entry hole when said segments are in a closed position; a flexible finger arranged on said second segment in proximity to said entry hole so that an electric cord inserted in said entry hole is locked between said finger and said serrated corner when said segments are in a closed position, thereby providing strain relief.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-15 | 1988-07-16 | 1989-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-15 | 1992-07-16 | 1993-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-15 | 1996-07-16 | 1997-01-15 | $7700.00 | Window Closed / Lapsed |