Patent US4795557A successfully refreshed from Google Patents.
US3917899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plate for adjustably mounting electrical receptacle
Assignee: Individual
•
Filing: 1973-10-12
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Granted: 1975-11-04
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Expires: 1993-10-12
Abstract
Abstract A grounding type electrical receptacle which utilizes a positive clamping arrangement between the strap of the receptacle and the grounded metal box to which it is attached by means of a screwtightened grounding wedge. The box opening in which the receptacle fits has arcuate ends with no protruding ears so that the receptacle can be adjusted to proper vertical or horizontal alignment.
Inventors
- 👤 Michael J Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:48
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/648; H02; H02G; H02G3/00; H02G3/02; H02G3/08; H02G3/12; H02G3/123; H02G3/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A device for supporting an electrical receptacle having means for clampingly engaging an interior edge of an opening so as to electrically connect said clamping means to said interior edge, said device comprising: a. a plate having a substantially flat rear surface with outer edges having means to secure the plate to an electrical outlet box; b. a central raised portion on the front of the plate projecting outwardly therefrom with inwardly turned edges to define a second substantially flat surface generally parallel to the rear surface; c. a generally rectangular shaped opening in said second flat surface having two substantially parallel long sides and two non-parallel short sides, the short sides being arcuately curved away from the center of the opening along their entire lengths to present said second flat surface in that area with an arcuately curved interior edge for engagement by said clamping means.
Claim 2
Independent Claim
147 words
A device for supporting an electrical receptacle having means for clampingly engaging an interior edge of an opening so as to electrically connect said clamping means to said interior edge, said device comprising: a. a plate having a substantially flat rear surface with outer edges having means to secure the plate to an electrical outlet box; b. a central raised portion on the front of the plate projecting outwardly therefrom with inwardly turned edges to define a second substantially flat surface generally parallel to the rear surface; c. a generally rectangular shaped opening in said second flat surface having two substantially parallel long sides and two non-parallel short sides, the short sides being arcuately curved away from the center of the opening along their entire lengths to present said second flat surface in that area with an arcuately curved interior edge for engagement by said clamping means.
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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) | 1978-11-03 | 1979-05-05 | 1979-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-03 | 1983-05-05 | 1983-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-03 | 1987-05-05 | 1987-11-04 | $7700.00 | Window Closed / Lapsed |