Patent US4770311A successfully refreshed from Google Patents.
US4770311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outlet box
Assignee: Individual
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Filing: 1987-12-14
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Granted: 1988-09-13
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Expires: 2007-12-14
Abstract
Abstract A reinforced outlet box comprises an open box; two conjunction plates integral with the open box and extend toward each other, each of the conjunction plates is provided with a fixing hole; two L-shaped members, each having a head portion and a body portion. The head portion has a theaded hole, the body portion has two catch holes. The L-shaped member is fixed to the open box by attaching the head portion to the conjunction plate and fixing the body portion to a face of the open box which is adjacent to the conjunction plate by rivet.
Inventors
- 👤 Paul W. Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:28
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/12; H02G3/123
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
148 words
An outlet box comprising: an open box having a plurality of circular cutouts of varying sizes at each face thereof; at least two conjunction plates integral with said open box and extending toward each other, each of said conjunction plates being provided with at least a fixing hole; at least two reinforcing means, each reinforcing means being an L-shaped single member including a head portion and a body portion, said head portion having at least a threaded hole and being of a length such that the threaded hole thereof mates with said fixing hole of said conjunction plate; said body portion having at least two catch holes; and said reinforcing means being fixed to said open box by attaching said head portion to said conjunction plate and fixing said body portion to a face of said open box which is adjacent to said conjunction plate by rivet means.
Claim 2
Dependent Claim
148 words
An outlet box comprising: an open box having a plurality of circular cutouts of varying sizes at each face thereof; at least two conjunction plates integral with said open box and extending toward each other, each of said conjunction plates being provided with at least a fixing hole; at least two reinforcing means, each reinforcing means being an L-shaped single member including a head portion and a body portion, said head portion having at least a threaded hole and being of a length such that the threaded hole thereof mates with said fixing hole of said conjunction plate; said body portion having at least two catch holes; and said reinforcing means being fixed to said open box by attaching said head portion to said conjunction plate and fixing said body portion to a face of said open box which is adjacent to said conjunction plate by rivet means.
Claim 3
Dependent Claim
23 words
The outlet box as claimed in claim 1, wherein said conjunction plates extend from any of two opposite sides of said open box.
Claim 4
Dependent Claim
23 words
The outlet box as claimed in claim 1, wherein said conjunction plates extend from any of two opposite corners of said open box.
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) | 1991-09-13 | 1992-03-14 | 1992-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-13 | 1996-03-14 | 1996-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-13 | 2000-03-14 | 2000-09-13 | $7700.00 | Window Closed / Lapsed |