Patent US3688245A successfully refreshed from Google Patents.
US3688245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solderless lug connector
Assignee: Individual
•
Filing: 1971-03-01
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Granted: 1972-08-29
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Expires: 1991-03-01
Abstract
Abstract A solderless lug connector to accommodate various sizes of electrical conductors, comprising an elongated tubular body having a helical slot cut along the longitudinal length thereof to form a substantially spring-like member, with its outer free end band terminating with an outwardly turned-up lip, the opposite end thereof being provided with a connecting tongue adapted to be connected to an appropriate mating electrical component.
Inventors
- 👤 John E Lockshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:29
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
93 words
An electrical solderless lug device for attachment to the free end of a conductor cable, comprising: A. a circular tubular body having a helical slot therein and an outer free end thereon; B. flat strip coils formed by said slot in said tubular body, said flat strip coils having progressively enlarged widths providing a tapered strip from said outer free end of said body; C. a lip member projecting upwardly from the free end of said body; and D. a tongue member projecting longitudinally outwardly from the opposite end of the tubular body.
Claim 2
Dependent Claim
93 words
An electrical solderless lug device for attachment to the free end of a conductor cable, comprising: A. a circular tubular body having a helical slot therein and an outer free end thereon; B. flat strip coils formed by said slot in said tubular body, said flat strip coils having progressively enlarged widths providing a tapered strip from said outer free end of said body; C. a lip member projecting upwardly from the free end of said body; and D. a tongue member projecting longitudinally outwardly from the opposite end of the tubular body.
Claim 3
Dependent Claim
30 words
An electrical solderless lug as recited in claim 1, wherein at least one edge of said coils is provided with a downward-projecting tooth for positive engagement with said conductor cable.
Claim 4
Dependent Claim
28 words
An electrical solderless lug as recited in claim 2, wherein said tongue is provided with an attaching means, said means comprising at least one hole through said tongue.
Claim 5
Dependent Claim
26 words
An electrical solderless lug as recited in claim 3, wherein said circular tubular body and said tongue member are formed from a one-piece resilient, conductive metal.
Claim 6
Dependent Claim
27 words
An electrical solderless lug as recited in claim 4, wherein said resilient, conductive metal is selected from the group consisting of copper alloy, stainless steel and tantalum.
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |