US4684914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination plug
Assignee: NAN WHAIR LIAO NO 18 TZU YU RD HSIN CHU CITY TAIWAN ROC
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Filing: 1986-10-16
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Granted: 1987-08-04
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Expires: 2006-10-16
Abstract
Abstract A plug having an outer housing and an insert. The insert comprises fuse blocks and prongs. The outer housing has a sliding door for checking and/or changing the fuses. The outer housing also has a conduction wire inlet, through which the conduction wires fit, and prong holes through which the prongs of the insert can fit, so as to allow for easy assemblage of the plug. The insert slideably fits into the outer housing.
Inventors
- 👤 Zei C. Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:28
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A combination plug comprising: an outer housing; said outer housing comprising a sliding door with grooves, two prong holes, and a conduction wire inlet; an insert housing; said insert housing comprising two prong slots, two fuse slots, two grooves, two insert walls, and a divider; two prongs; each of said two prongs having a branch; two fuse blocks; each of said two fuse blocks having a fuse thereon; conduction wires; said conduction wires having conduction plates on an end thereof being inserted into said two fuse slots; said two fuse blocks being placed in each of said two fuse slots; said sliding door being slideably insertable into said outer housing so as to provide a means for checking and maintaining said two fuses; said insert housing being slideably insertable in said outer housing with said prongs fitting through said prong holes; said conduction plates being electrically connected to said fuses, and said fuses being electrically connected to said branches.
Claim 2
Dependent Claim
159 words
A combination plug comprising: an outer housing; said outer housing comprising a sliding door with grooves, two prong holes, and a conduction wire inlet; an insert housing; said insert housing comprising two prong slots, two fuse slots, two grooves, two insert walls, and a divider; two prongs; each of said two prongs having a branch; two fuse blocks; each of said two fuse blocks having a fuse thereon; conduction wires; said conduction wires having conduction plates on an end thereof being inserted into said two fuse slots; said two fuse blocks being placed in each of said two fuse slots; said sliding door being slideably insertable into said outer housing so as to provide a means for checking and maintaining said two fuses; said insert housing being slideably insertable in said outer housing with said prongs fitting through said prong holes; said conduction plates being electrically connected to said fuses, and said fuses being electrically connected to said branches.
References Cited (Backward Citations)
US4274698A
Cited
US4592613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-03 | 1991-02-02 | 1991-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-03 | 1995-02-02 | 1995-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-03 | 1999-02-02 | 1999-08-04 | $7700.00 | Window Closed / Lapsed |